The 50 most common car faults and how to fix them

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The 50 most common car faults and how to fix them. Have you encountered a problem? We have the 50 most common faults and their solutions – enter the article and acquire knowledge that is worth money!

The 50 most common car faults and how to fix them

  • P0128 – Coolant temperature is lower than the temperature required by the thermostat
  • P0171 – Fuel mixture too lean (Bank 1)
  • P0174 – Fuel mixture too lean (Bank 2)
  • P0300 – random/multi-cylinder misfiring in the ignition
  • P0420 – Low efficiency of catalytic converter (Bank 1)
  • P0430 – Low efficiency of catalytic converter (Bank 2)
  • P0442 – Evaporative emission system (EVAP) leak (small leak)
  • P0446 – Evaporative emission (EVAP) system malfunction (fuel tank vent valve)
  • P0455 – Large leak in the evaporative emission system (EVAP)
  • P0500 – Fault in the vehicle speed sensor
  • P0506 – The engine speed is lower than allowed at idle
  • P0172 – Fuel mixture too rich (Bank 1)
  • P0175 – Fuel mixture too rich (Bank 2)
  • P0200 – Malfunction in the fuel injectors circuit
  • P0218 – Gear oil temperature is higher than allowed
  • P0221 – Throttle/Pedal Position Sensor/Switch circuit problem
  • P0301 – misfire (cylinder 1)
  • P0302 – Misfire (cylinder 2)
  • P0303 – Misfire (cylinder 3)
  • P0304 – Misfire (cylinder 4)
  • P0325 – Knock sensor circuit problem
  • P0330 – Knock sensor circuit problem (bank 2)
  • P0340 – Camshaft position sensor circuit problem
  • P0341 – Camshaft Position Sensor – Range/Performance
  • P0401 – Insufficient flow in exhaust gas recirculation system (EGR)
  • P0403 – Exhaust gas recirculation (EGR) valve circuit problem
  • P0405 – Exhaust gas recirculation (EGR) valve position sensor circuit low voltage
  • P0440 – general malfunction in the evaporative emission system (EVAP)
  • P0456 – Very Small Leak in Evaporative Emission System (EVAP)
  • P0507 – The engine speed is higher than allowed at idle
  • P0510 – Throttle Switch Solenoid Sensor
  • P0562 – Low system voltage
  • P0600 – Communication system malfunction
  • P0700 – Malfunction in the gear management system
  • P0730 – Improper gear ratio
  • P0740 – torque converter clutch (TCC) circuit malfunction
  • P0750 – Solenoid valve A circuit malfunction
  • P0755 – solenoid valve B circuit malfunction
  • P0760 – Solenoid valve C circuit malfunction
  • P0765 – D solenoid valve circuit malfunction
  • P0770 – Solenoid valve E circuit malfunction
  • P0785 – Shift/timing solenoid circuit malfunction
  • P0795 – Malfunction in the pressure solenoid circuit
  • P0800 – Malfunction in the flywheel control system
  • P0810 – Malfunction in the flywheel control circuit
  • P0830 – Malfunction in the clutch shift indicator system
  • P0840 – Gear oil pressure sensor system malfunction
  • P0850 – Malfunction in clutch shift indicator system
  • P0860 – Fault in the gear management computer communication system
  • P0870 – Gear oil pressure sensor system malfunction

The 50 most common car faults and how to fix them

Fault code P0101: description, problems and solutions

P0101 – Mass Air Flow Sensor (MAF) Performance Problem

Description of the fault

The P0101 code indicates that there is a problem with the performance of the mass air flow (MAF) sensor, meaning the sensor is not operating within the expected range or is not performing properly.

possible problems

  1. Mass air flow sensor is damaged or dirty.
  2. Air leaks in the pipeline.
  3. Damaged wiring or connectors.

solutions

  1. Clean or replace the mass air flow (MAF) sensor.
  2. Check the piping for air leaks and replace if necessary.
  3. Check the wiring and connectors related to the sensor and replace damaged.

Fault code P0174: description, problems and solutions

P0174 – Fuel mixture too lean (Bank 2)

Description of the fault

The P0174 code indicates that the air-fuel mixture in Bank 2 is too lean.

possible problems

  1. Vacuum leaks.
  2. Clogged air filter.
  3. Mass air flow (MAF) sensor is damaged or dirty.
  4. Defective oxygen sensor.

solutions

  1. Check all piping for vacuum leaks and replace if necessary.
  2. Check the air filter and replace if necessary.
  3. Clean or replace the mass air flow (MAF) sensor.
  4. Check the oxygen sensor and replace if necessary.

Fault code P0300: description, problems and solutions

P0300 – random/multi-cylinder misfiring in the ignition

Description of the fault

The P0300 code indicates a misfire on multiple or different cylinders. This fault can cause engine performance issues and increased fuel consumption.

possible problems

  1. Spark plugs are damaged or worn.
  2. Spark plug cables are damaged.
  3. Faulty ignition coils.
  4. Fuel system problems.

solutions

  1. Check and replace the spark plugs if necessary.
  2. Check and replace the spark plug wires.
  3. Check the ignition coils and replace if necessary.
  4. Check the fuel system.

Fault code P0420: description, problems and solutions

P0420 – Low efficiency of catalytic converter (Bank 1)

Description of the fault

Code P0420 indicates that the catalytic converter in Bank 1 is not operating effectively.

possible problems

  1. Defective catalytic converter.
  2. Defective oxygen sensor.
  3. Problems in the exhaust system.

solutions

  1. Replace the catalytic converter.
  2. Check the oxygen sensors and replace if necessary.
  3. Check the exhaust system.

Fault code P0430: description, problems and solutions

P0430 – Low efficiency of catalytic converter (Bank 2)

Description of the fault

Code P0430 indicates that the catalytic converter in Bank 2 is not operating effectively.

possible problems

  1. Defective catalytic converter.
  2. Defective oxygen sensor.
  3. Problems in the exhaust system.

solutions

  1. Replace the catalytic converter.
  2. Check the oxygen sensors and replace if necessary.
  3. Check the exhaust system.

Fault code P0442: description, problems and solutions

P0442 – Evaporative emission system (EVAP) leak (small leak)

Description of the fault

Code P0442 indicates a small leak in the evaporative emission (EVAP) system. This system is responsible for collecting and returning fuel vapors to the engine instead of releasing them into the atmosphere.

possible problems

  1. Loose or damaged fuel cap.
  2. Vacuum hose cracked or damaged.
  3. Valve or line seal is damaged.

solutions

  1. Check and tighten the fuel cap, replace if necessary.
  2. Check and replace cracked or damaged vacuum hoses.
  3. Check and replace damaged valves or lines.

Fault code P0446: description, problems and solutions

P0446 – Evaporative emission (EVAP) system malfunction (fuel tank vent valve)

Description of the fault

The P0446 code indicates a problem with the fuel tank vent valve in the evaporative emission (EVAP) system.

possible problems

  1. Defective ventilation valve.
  2. Damaged sealing line.
  3. Problems in the electrical system leading to the valve.

solutions

  1. Check and replace the vent valve if necessary.
  2. Check and replace damaged sealing lines.
  3. Check the electrical system leading to the valve and replace damaged wires or loose connections.

Fault code P0455: description, problems and solutions

P0455 – Large leak in the evaporative emission system (EVAP)

Description of the fault

The P0455 code indicates a large leak in the evaporative emission (EVAP) system.

possible problems

  1. Missing or damaged fuel cap.
  2. Vacuum hose cracked or damaged.
  3. Damaged coal tank.

solutions

  1. Check and replace the fuel cap if necessary.
  2. Check and replace cracked or damaged vacuum hoses.
  3. Check and replace a damaged charcoal canister.

Fault code P0500: description, problems and solutions

P0500 – Fault in the vehicle speed sensor

Description of the fault

The P0500 code indicates a problem with the vehicle speed sensor.

possible problems

  1. Speed ​​sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the speed sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace any damaged ones.
  3. Check the engine management computer.

Fault code P0506: description, problems and solutions

P0506 – The engine speed is lower than allowed at idle

Description of the fault

The P0506 code indicates that the engine rotational speed is lower than allowed when the engine is idling.

possible problems

  1. Idle control valve is defective.
  2. Mass air flow (MAF) sensor is faulty.
  3. Throttle sensor is defective.

solutions

  1. Check and replace the idle control valve if necessary.
  2. Clean or replace the mass air flow (MAF) sensor.
  3. Check and replace the throttle sensor if necessary.

Fault code P0172: description, problems and solutions

P0172 – Fuel mixture too rich (Bank 1)

Description of the fault

The P0172 code indicates that the air-fuel mixture in Bank 1 is too rich, meaning there is too much fuel or too little air in the mixture.

possible problems

  1. Mass air flow sensor (MAF) is definitely faulty, we will proceed in ascending order and cover 10 common fault codes each time.

Fault code P0128: description, problems and solutions

P0128 – Coolant temperature is lower than the temperature required by the thermostat

Description of the fault

The P0128 code indicates that the engine is not reaching the correct operating temperature at the required speed. This problem can be caused by a faulty thermostat or low coolant.

possible problems

  1. Faulty thermostat.
  2. Low coolant levels.
  3. Defective coolant temperature sensor.

solutions

  1. Replacing the thermostat.
  2. Fill coolant to the correct level.
  3. Replace coolant temperature sensor if necessary.

Fault code P0171: description, problems and solutions

P0171 – Fuel mixture too lean (Bank 1)

Description of the fault

The P0171 code indicates that the air-fuel mixture in Bank 1 is too lean, meaning there is too much air or too little fuel in the mixture.

possible problems

  1. Air leaks in the pipeline.
  2. Clogged air filter.
  3. Mass air flow (MAF) sensor is damaged or dirty.
  4. Defective oxygen sensor.

solutions

  1. Checking all piping in the engine for air leaks and replacing damaged parts.
  2. Checking the air filter and replacing it if necessary.
  3. Cleaning or replacing the air mass sensor.
  4. Checking the oxygen sensor and replacing it if necessary.

Fault code P0174: description, problems and solutions

P0174 – Fuel mixture too lean (Bank 2)

Description of the fault

The P0174 code indicates that the air-fuel mixture in Bank 2 is too lean.

possible problems

  1. Vacuum leaks.
  2. Clogged air filter.
  3. Mass air flow (MAF) sensor is damaged or dirty.
  4. Defective oxygen sensor.

solutions

  1. Check all piping for vacuum leaks and replace if necessary.
  2. Check the air filter and replace if necessary.
  3. Clean or replace the mass air flow (MAF) sensor.
  4. Check the oxygen sensor and replace if necessary.

Fault code P0300: description, problems and solutions

P0300 – random/multi-cylinder misfiring in the ignition

Description of the fault

The P0300 code indicates a misfire on multiple or different cylinders. This fault can cause engine performance issues and increased fuel consumption.

possible problems

  1. Spark plugs are damaged or worn.
  2. Spark plug cables are damaged.
  3. Faulty ignition coils.
  4. Fuel system problems.

solutions

  1. Check and replace the spark plugs if necessary.
  2. Check and replace the spark plug wires.
  3. Check the ignition coils and replace if necessary.
  4. Check the fuel system.

Fault code P0420: description, problems and solutions

P0420 – Low efficiency of catalytic converter (Bank 1)

Description of the fault

Code P0420 indicates that the catalytic converter in Bank 1 is not operating effectively.

possible problems

  1. Defective catalytic converter.
  2. Defective oxygen sensor.
  3. Problems in the exhaust system.

solutions

  1. Replace the catalytic converter.
  2. Check the oxygen sensors and replace if necessary.
  3. Check the exhaust system.

Fault code P0430: description, problems and solutions

P0430 – Low efficiency of catalytic converter (Bank 2)

Description of the fault

Code P0430 indicates that the catalytic converter in Bank 2 is not operating effectively.

possible problems

  1. Defective catalytic converter.
  2. Defective oxygen sensor.
  3. Problems in the exhaust system.

solutions

  1. Replace the catalytic converter.
  2. Check the oxygen sensors and replace if necessary.
  3. Check the exhaust system.

Fault code P0442: description, problems and solutions

P0442 – Evaporative emission system (EVAP) leak (small leak)

Description of the fault

Code P0442 indicates a small leak in the evaporative emission (EVAP) system. This system is responsible for collecting and returning fuel vapors to the engine instead of releasing them into the atmosphere.

possible problems

  1. Loose or damaged fuel cap.
  2. Vacuum hose cracked or damaged.
  3. Valve or line seal is damaged.

solutions

  1. Check and tighten the fuel cap, replace if necessary.
  2. Check and replace cracked or damaged vacuum tubes.
  3. Check and replace damaged valves or lines.

Fault code P0446: description, problems and solutions

P0446 – Evaporative emission (EVAP) system malfunction (fuel tank vent valve)

Description of the fault

The P0446 code indicates a problem with the fuel tank vent valve in the evaporative emission (EVAP) system.

possible problems

  1. Defective ventilation valve.
  2. Damaged sealing line.
  3. Problems in the electrical system leading to the valve.

solutions

  1. Check and replace the vent valve if necessary.
  2. Check and replace damaged sealing lines.
  3. Check the electrical system leading to the valve and replace damaged wires or loose connections.

Fault code P0455: description, problems and solutions

P0455 – Large leak in the evaporative emission system (EVAP)

Description of the fault

Code P0455 indicates a large leak in the evaporative emission (EVAP) system.

possible problems

  1. Missing or damaged fuel cap.
  2. Vacuum hose cracked or damaged.
  3. Damaged coal tank.

solutions

  1. Check and replace the fuel cap if necessary.
  2. Check and replace cracked or damaged vacuum hoses.
  3. Check and replace a damaged charcoal canister.

Fault code P0500: description, problems and solutions

P0500 – Fault in the vehicle speed sensor

Description of the fault

The P0500 code indicates a problem with the vehicle speed sensor.

possible problems

  1. Speed ​​sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the speed sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

Fault code P0506: description, problems and solutions

P0506 – The engine speed is lower than allowed at idle

Description of the fault

Code P0506 indicates that the engine's rotational speed is lower than permitted when the engine is in an OK state. We will continue with the following 10 fault codes, according to the order and structure determined:

Fault code P0172: description, problems and solutions

P0172 – Fuel mixture too rich (Bank 1)

Description of the fault

The P0172 code indicates that the air-fuel mixture in Bank 1 is too rich, meaning there is too much fuel or too little air in the mixture.

possible problems

  1. Mass air flow (MAF) sensor is faulty.
  2. Vacuum leaks.
  3. Defective oxygen sensor.

solutions

  1. Clean or replace the mass air flow (MAF) sensor.
  2. Check the piping for vacuum leaks and replace if necessary.
  3. Check and replace the oxygen sensor if necessary.

Fault code P0175: description, problems and solutions

P0175 – Fuel mixture too rich (Bank 2)

Description of the fault

The P0175 code indicates that the air-fuel mixture in Bank 2 is too rich.

possible problems

  1. Mass air flow (MAF) sensor is defective.
  2. Vacuum leaks.
  3. Defective oxygen sensor.

solutions

  1. Clean or replace the mass air flow (MAF) sensor.
  2. Check the piping for vacuum leaks and replace if necessary.
  3. Check and replace the oxygen sensor if necessary.

Fault code P0200: description, problems and solutions

P0200 – Malfunction in the fuel injectors circuit

Description of the fault

The code P0200 indicates that there is a problem with the fuel injector electrical circuit.

possible problems

  1. Faulty fuel injectors.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the fuel injectors if necessary.
  2. Check the wiring and connectors related to the fuel injectors and replace damaged.
  3. Check the engine management computer.

Fault code P0218: description, problems and solutions

P0218 – Gear oil temperature is higher than allowed

Description of the fault

The code P0218 indicates that the transmission oil temperature is higher than allowed.

possible problems

  1. Improper lime fluid.
  2. The transmission cooling system is defective.
  3. Gear oil temperature sensor is defective.

solutions

  1. Replace the gear fluid if necessary.
  2. Check the gear cooling system and replace damaged parts if necessary.
  3. Check and replace the gear oil temperature sensor if necessary.

Fault code P0221: description, problems and solutions

P0221 – Throttle/Pedal Position Sensor/Switch circuit problem

Description of the fault

The P0221 code indicates that there is a problem with the throttle or pedal sensor circuit.

possible problems

  1. Throttle sensor is defective.
  2. Pedal sensor is defective.
  3. Damaged wiring or connectors.

solutions

  1. Check and replace the throttle sensor if necessary.
  2. Check and replace the pedal sensor if necessary.
  3. Check the wiring and connectors related to the sensors and replace damaged ones.

Fault code P0301: description, problems and solutions

P0301 – Misfire (cylinder 1)

Description of the fault

The code P0301 indicates that there is a misfire in cylinder 1.

possible problems

  1. Spark plug is damaged or worn.
  2. Spark plug cable is damaged.
  3. Ignition coil is defective.

solutions

  1. Check and replace the spark plug in cylinder 1.
  2. Check and replace the spark plug wire on cylinder 1.
  3. Check and replace the ignition coil in cylinder 1.

Fault code P0302: description, problems and solutions

P0302 – Misfire (cylinder 2)

Description of the fault

The code P0302 indicates that there is a misfire in cylinder 2.

possible problems

  1. Spark plug is damaged or worn.
  2. Spark plug cable is damaged.
  3. Ignition coil is defective.

solutions

  1. Check and replace the spark plug in cylinder 2.
  2. Check and replace the spark plug wire on cylinder 2.
  3. Check and replace the ignition coil in cylinder 2.

Fault code P0303: description, problems and solutions

P0303 – Misfire (cylinder 3)

Description of the fault

The code P0303 indicates that there is a misfire in cylinder 3.

possible problems

  1. Spark plug is damaged or worn.
  2. Spark plug cable is damaged.
  3. Ignition coil is defective.

solutions

  1. Check and replace the spark plug in cylinder 3.
  2. Check and replace the spark plug wire on cylinder 3.
  3. Check and replace the ignition coil in cylinder 3.

Fault code P0304: description, problems and solutions

P0304 – Misfire (cylinder 4)

Description of the fault

The code P0304 indicates that there is a misfire in cylinder 4.

possible problems

  1. Spark plug is damaged or worn.
  2. Spark plug cable is damaged.
  3. Ignition coil is defective.

solutions

  1. Check and replace the spark plug in cylinder 4.
  2. Check and replace the spark plug wire on cylinder 4.
  3. Check and replace the ignition coil in cylinder 4.

Fault code P0325: description, problems and solutions

P0325 – Knock sensor circuit problem

Description of the fault

The P0325 code indicates that there is a problem with the knock sensor circuit.

possible problems

  1. Knock sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the knock sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

 

Fault code P0325: description, problems and solutions

P0325 – Knock sensor circuit problem

Description of the fault

The P0325 code indicates that there is a problem with the knock sensor circuit.

possible problems

  1. Knock sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the knock sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

Fault code P0330: description, problems and solutions

P0330 – Knock sensor circuit problem (bank 2)

Description of the fault

The P0330 code indicates that there is a problem with the knock sensor circuit in the second bank of the engine.

possible problems

  1. Knock sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the knock sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

Fault code P0340: description, problems and solutions

P0340 – Camshaft position sensor circuit problem

Description of the fault

The P0340 code indicates that there is a problem with the camshaft position sensor circuit.

possible problems

  1. Faulty camshaft position sensor.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the camshaft position sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

Fault code P0341: description, problems and solutions

P0341 – Camshaft Position Sensor – Range/Performance

Description of the fault

The P0341 code indicates that there is a problem with the range or performance of the camshaft position sensor.

possible problems

  1. Faulty camshaft position sensor.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the camshaft position sensor if necessary.
  2. Check the wiring and connectors related to the sensor and replace damaged.
  3. Check the engine management computer.

Fault code P0401: description, problems and solutions

P0401 – Insufficient flow in exhaust gas recirculation system (EGR)

Description of the fault

The P0401 code indicates a problem with the exhaust gas flow in the EGR system.

possible problems

  1. The EGR valve is clogged or damaged.
  2. Exhaust pressure sensor is defective.
  3. Damaged wiring or connectors.

solutions

  1. Check and replace the EGR valve if necessary.
  2. Check the exhaust pressure sensor and replace if necessary.
  3. Check system related wiring and connectors and replace damaged.

Fault code P0403: description, problems and solutions

P0403 – Exhaust gas recirculation (EGR) valve circuit problem

Description of the fault

The P0403 code indicates that there is a problem with the exhaust gas recirculation (EGR) valve circuit.

possible problems

  1. The EGR valve is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the EGR valve if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the engine management computer.

Fault code P0405: description, problems and solutions

P0405 – Exhaust gas recirculation (EGR) valve position sensor circuit low voltage

Description of the fault

Code P0405 indicates that a lower than expected voltage was received from the EGR valve position sensor.

possible problems

  1. The EGR valve position sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the engine management computer (ECU).

solutions

  1. Check and replace the EGR valve position sensor if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the engine management computer.

Fault code P0440: description, problems and solutions

P0440 – general malfunction in the evaporative emission system (EVAP)

Description of the fault

Code P0440 indicates that there is a general malfunction in the evaporative emission (EVAP) system.

possible problems

  1. Loose or damaged fuel cap.
  2. Valve or line seal is damaged.
  3. Damaged wiring or connectors.

solutions

  1. Check and tighten the fuel cap, replace if necessary.
  2. Inspect the evaporative exhaust system and replace damaged parts if necessary.
  3. Check system related wiring and connectors and replace damaged.

Fault code P0456: description, problems and solutions

P0456 – Very Small Leak in Evaporative Emission System (EVAP)

Description of the fault

The P0456 code indicates a very small leak in the evaporative emission (EVAP) system.

possible problems

  1. Loose or damaged fuel cap.
  2. Valve or line seal is damaged.
  3. Damaged wiring or connectors.

solutions

  1. Check and tighten the fuel cap, replace if necessary.
  2. Inspect the evaporative exhaust system and replace damaged parts if necessary.
  3. Check system related wiring and connectors and replace damaged.

Fault code P0507: description, problems and solutions

P0507 – The engine speed is higher than allowed at idle

Description of the fault

The P0507 code indicates that the engine rotational speed is higher than allowed when the engine is idling.

possible problems

  1. Idle control valve is defective.
  2. Mass air flow (MAF) sensor is defective.
  3. Throttle sensor is defective.

solutions

  1. Check and replace the idle regulating valve if necessary.
  2. Clean or replace the mass air flow (MAF) sensor.
  3. Check and replace the throttle sensor if necessary.

Fault code P0510: description, problems and solutions

P0510 – Throttle Switch Solenoid Sensor

Description of the fault

Code P0510 indicates that there is a problem with the throttle switch, or the throttle solenoid sensor.

possible problems

  1. Throttle sensor is defective.
  2. Throttle switch is defective.
  3. Damaged wiring or connectors.

solutions

  1. Check and replace the throttle sensor if necessary.
  2. Check and replace throttle switch if necessary.
  3. Check system related wiring and connectors and replace damaged.

Fault code P0562: description, problems and solutions

P0562 – Low system voltage

Description of the fault

Code P0562 indicates that the system voltage is lower than expected values.

possible problems

  1. Weak or discharged battery.
  2. Problems with the charging system.
  3. Damaged wiring or connectors.

solutions

  1. Check and replace the battery if necessary.
  2. Check the charging system (alternator) and replace damaged parts.
  3. Check system related wiring and connectors and replace damaged.

Fault code P0600: description, problems and solutions

P0600 – Communication system malfunction

Description of the fault

The P0600 code indicates that there is a fault in the vehicle's communication system.

possible problems

  1. Problems with the engine management computer (ECU).
  2. Damaged wiring or connectors.
  3. Problems with the vehicle's communication module.

solutions

  1. Check the engine management computer and replace if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the communication module and replace if necessary.

Fault code P0700: description, problems and solutions

P0700 – Malfunction in the gear management system

Description of the fault

The code P0700 indicates that there is a fault in the transmission management system.

possible problems

  1. Problems with the transmission management computer (TCM).
  2. Damaged wiring or connectors.
  3. Mechanical problems in chalk.

solutions

  1. Check the gear management computer and replace if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear for mechanical problems and replace damaged parts.

Fault code P0730: description, problems and solutions

P0730 – Improper gear ratio

Description of the fault

The P0730 code indicates that there is an incorrect gear ratio in the transmission.

possible problems

  1. Problems with the transmission management computer (TCM).
  2. Mechanical problems in chalk.
  3. Improper lime fluid.

solutions

  1. Check the gear management computer and replace if necessary.
  2. Check the gear for mechanical problems and replace damaged parts.
  3. Replace the gear fluid if necessary.

Fault code P0740: description, problems and solutions

P0740 – torque converter clutch (TCC) circuit malfunction

Description of the fault

Code P0740 indicates that there is a malfunction in the torque converter clutch (TCC) circuit.

possible problems

  1. The torque converter clutch is defective.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the torque converter clutch if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0750: description, problems and solutions

P0750 – Solenoid valve A circuit malfunction

Description of the fault

The P0750 code indicates that there is a malfunction in the transmission solenoid valve A circuit.

possible problems

  1. Defective solenoid valve.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid valve if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0755: description, problems and solutions

P0755 – solenoid valve B circuit malfunction

Description of the fault

The P0755 code indicates that there is a malfunction in the transmission solenoid valve B circuit.

possible problems

  1. Defective solenoid valve.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid valve if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0760: description, problems and solutions

P0760 – Solenoid valve C circuit malfunction

Description of the fault

The P0760 code indicates that there is a malfunction in the shift solenoid valve C circuit.

possible problems

  1. Defective solenoid valve.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid valve if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0765: description, problems and solutions

P0765 – D solenoid valve circuit malfunction

Description of the fault

The P0765 code indicates that there is a malfunction in the shift solenoid valve D circuit.

possible problems

  1. Defective solenoid valve.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid valve if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0770: description, problems and solutions

P0770 – Solenoid valve E circuit malfunction

Description of the fault

The P0770 code indicates that there is a malfunction in the shift solenoid valve E circuit.

possible problems

  1. Defective solenoid valve.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid valve if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0785: description, problems and solutions

P0785 – Shift/timing solenoid circuit malfunction

Description of the fault

The P0785 code indicates that there is a malfunction in the shift solenoid circuit or the gear timing.

possible problems

  1. Defective solenoid.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the solenoid if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0795: description, problems and solutions

P0795 – Malfunction in the pressure solenoid circuit

Description of the fault

The P0795 code indicates that there is a malfunction in the gear pressure solenoid circuit.

possible problems

  1. Defective pressure solenoid.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the pressure solenoid if necessary.
  2. Check the wiring and connectors related to the system and replace any damaged ones.
  3. Check the transmission management computer and replace if necessary.

Fault code P0800: description, problems and solutions

P0800 – Malfunction in the flywheel control system

Description of the fault

The code P0800 indicates that there is a malfunction in the flywheel control system.

possible problems

  1. Problems with the flywheel control system.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace flywheel control system parts if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0810: description, problems and solutions

P0810 – Malfunction in the flywheel control circuit

Description of the fault

The code P0810 indicates that there is a malfunction in the flywheel control circuit.

possible problems

  1. Problems with the flywheel control circuit.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace flywheel control system parts if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0830: description, problems and solutions

P0830 – Malfunction in the clutch shift indicator system

Description of the fault

Code P0830 indicates that there is a malfunction in the clutch shift indicator system.

possible problems

  1. The clutch shift indicator sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the clutch displacement indicator sensor if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0840: description, problems and solutions

P0840 – Gear oil pressure sensor system malfunction

Description of the fault

Code P0840 indicates that there is a malfunction in the transmission oil pressure sensor system.

possible problems

  1. Gearbox oil pressure sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the gear oil pressure sensor if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0850: description, problems and solutions

P0850 – Malfunction in clutch shift indicator system

Description of the fault

Code P0850 indicates that there is a malfunction in the clutch shift indicator system.

possible problems

  1. Clutch shift indicator sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the clutch displacement indicator sensor if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0860: description, problems and solutions

P0860 – Fault in the gear management computer communication system

Description of the fault

Code P0860 indicates that there is a fault in the transmission control computer (TCM) communication system.

possible problems

  1. Problems with the transmission management computer (TCM).
  2. Damaged wiring or connectors.
  3. Problems with the vehicle's communication system.

solutions

  1. Check the gear management computer and replace if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the vehicle's communication system and replace damaged parts if necessary.

Fault code P0870: description, problems and solutions

P0870 – Gear oil pressure sensor system malfunction

Description of the fault

Code P0870 indicates that there is a malfunction in the transmission oil pressure sensor system.

possible problems

  1. Gearbox oil pressure sensor is defective.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check and replace the gear oil pressure sensor if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

Fault code P0880: description, problems and solutions

P0880 – Malfunction in the electrical control system for the transmission

Description of the fault

Code P0880 indicates that there is a fault in the transmission electrical control system.

possible problems

  1. Problems with the electric transmission control system.
  2. Damaged wiring or connectors.
  3. Problems with the transmission management computer (TCM).

solutions

  1. Check the electrical control system for the gear and replace damaged parts if necessary.
  2. Check system related wiring and connectors and replace damaged.
  3. Check the gear management computer and replace if necessary.

 

Recommended websites where you can check the full lists:

  1. OBD-Codes.com – OBD-II Trouble Codes
  2. OBDII.com – OBD-II Trouble Codes
  3. AutoCodes.com – OBD-II Trouble Codes

On these sites you can find comprehensive lists of fault codes along with descriptions, possible problems and solutions.

פוסטים קשורים לנושא:

  1. The light rail route