Engine Diagnostic Codes (P0XXX)

Complete list of engine diagnostic trouble codes (P0XXX). Browse powertrain codes for engine, transmission, and emission control systems.

Popular Engine Codes

P0100

Mass Air Flow Circuit

Mass or Volume Air Flow Circuit malfunction

P0171

System Too Lean (Bank 1)

System too Lean (Bank 1)

P0300

Random/Multiple Cylinder Misfire

Random/Multiple Cylinder Misfire Detected

P0420

Catalyst System Efficiency

Catalyst System Efficiency Below Threshold (Bank 1)

P0442

EVAP System Leak

Evaporative Emission Control System Leak Detected (small leak)

Complete Engine Codes Index

Browse all available engine diagnostic trouble codes (P0XXX) organized by system:

Showing codes 1401-1500 of 4123 total codes

P05XX Engine Control System

P0578
Indicates an issue with the cruise control switch circuit, specifically relat...
P0579
P0579 indicates a high voltage fault in the brake switch A circuit.
P057A
DTC P057A indicates a problem with the brake switch circuit A,
P057B
P057B indicates a malfunction in the Brake Pedal Position Sensor A circuit,
P057C
P057C indicates a problem with the brake pedal position sensor circuit.
P057D
P057D indicates a malfunction with the brake pedal position sensor.
P057E
DTC P057E indicates a problem with the brake pedal position sensor circuit,
P057F
P057F indicates a malfunction in the brake pedal position sensor.
P0580
P0580 indicates a malfunction in the cruise control system, affecting its ope...
P0581
P0581 indicates a malfunction in the cruise control switch circuit,
P0582
P0582 indicates a low input from the cruise control switch circuit,
P0583
The P0583 diagnostic trouble code indicates a problem with the cruise control...
P0584
DTC P0584 indicates a malfunction in the cruise control system.
P0585
P0585 indicates a malfunction in the cruise control switch circuit.
P0586
DTC P0586 signals an issue with the cruise control switch input A,
P0587
P0587 indicates a low voltage in the cruise control input circuit.
P0588
P0588 indicates a malfunction in the cruise control input circuit.
P0589
P0589 indicates a problem with the cruise control switch circuit's range or p...
P058A
P058A indicates a malfunction in the cruise control system's performance.
P058B
P058B indicates a malfunction in the cruise control system 'A' circuit.
P058C
P058C indicates a malfunction in the cruise control system, affecting throttl...
P058D
P058D indicates a malfunction in the cruise control system, affecting its abi...
P058E
P058E indicates a malfunction in the cruise control system's performance.
P058F
DTC P058F indicates a problem with the Adaptive Cruise Control related to the...
P0590
The P0590 code indicates an issue with the thermostat control circuit,
P0591
P0591 indicates a thermostat control circuit issue, affecting engine temperat...
P0592
P0592 indicates an issue with the thermostat control circuit, affecting engin...
P0593
P0593 indicates a coolant thermostat performance issue, affecting engine temp...
P0594
P0594 indicates a thermostat control circuit issue, affecting engine temperat...
P0595
P0595 indicates a malfunction in the engine coolant thermostat control circuit.
P0596
Indicates the Engine Control Module (ECM) has detected that the coolant therm...
P0597
P0597 indicates a malfunction in the thermostat heater control circuit,
P0598
P0598 indicates a problem with the thermostat control circuit's performance,
P0599
The P0599 code means there's a thermostat control circuit issue that affects ...
P059A
The P059A code indicates a problem with the thermostat control circuit,
P059B
P059B indicates a cooling system issue related to the thermostat control circ...
P059C
Indicates there's a performance issue with the thermostat control circuit in ...
P059D
The P059D code indicates a thermostat control circuit issue, affecting engine...
P059E
P059E indicates a thermostat control circuit problem that can affect engine p...
P059F
The P059F code indicates a problem with the Engine Coolant Temperature sensor...
P05A0
P05A0 indicates a problem with the engine oil pressure control circuit.
P05A1
DTC P05A1 indicates a performance issue with the oil pressure control circuit...
P05A2
P05A2 indicates a malfunction in the engine's oil pressure control system.
P05A3
P05A3 indicates a problem with the air intake actuator in your vehicle's engi...
P05A4
DTC P05A4 signifies an oil pressure control circuit issue in your vehicle.
P05A5
P05A5 refers to an issue with the idle air control circuit's performance,
P05A6
DTC P05A6 refers to a malfunction in the oil pressure control valve,
P05A7
DTC P05A7 indicates a problem with the engine oil pressure sensor or circuit.
P05A8
The P05A8 code signifies an issue with the engine oil pressure control circui...
P05A9
P05A9 refers to a performance issue with the oil pressure control valve.
P05AA
P05AA indicates a problem with the engine oil pressure sensor circuit.
P05AB
P05AB indicates a problem with the turbocharger boost pressure control circui...
P05AC
Indicates an issue with the engine oil pressure control circuit,
P05AD
The P05AD code indicates an issue with the powertrain control module related ...
P05AE
P05AE indicates a problem with the oil pressure sensor circuit.
P05AF
P05AF indicates a malfunction in the Engine Oil Flow Control Valve.
P05B0
P05B0 relates to oil pressure control circuit performance issues.
P05B1
P05B1 indicates a performance issue with the engine control module related to...
P05B2
P05B2 indicates a problem with the engine oil pressure sensor or control system.
P05B3
P05B3 indicates a throttle actuator control performance issue.
P05B4
P05B4 indicates a problem with the coolant temperature sensor circuit.
P05B5
P05B5 indicates a malfunction in the coolant temperature sensor circuit.
P05B6
Indicates a problem with the engine oil pressure control system.
P05B7
P05B7 indicates a performance issue with the engine oil pressure sensor circuit.
P05B8
DTC P05B8 signifies an issue with the engine oil temperature sensor circuit,
P05B9
P05B9 relates to the oil flow control valve position sensor circuit malfunction.
P05BA
P05BA indicates a performance issue with the oil pressure control valve.
P05BB
P05BB indicates a communication issue between the ECM and the intake air syst...
P05BC
P05BC indicates a fault in the turbocharger bypass valve circuit,
P05BD
The P05BD code indicates a fuel pressure sensor circuit issue,
P05BE
P05BE indicates a problem with the oil pressure sensor circuit.
P05BF
P05BF indicates an issue with the engine's oil temperature sensor circuit.
P05C0
P05C0 indicates an oil pressure control circuit issue, often linked to low or...
P05C1
DTC P05C1 indicates a malfunction in the Positive Crankcase Ventilation (PCV)...
P05C2
P05C2 indicates a problem with the engine oil pressure control circuit perfor...
P05C3
P05C3 indicates a malfunction in the hybrid powertrain control module communi...
P05C4
Indicates a range or performance issue with the engine oil pressure sensor ci...
P05C5
P05C5 indicates a problem with the turbocharger boost control position sensor...
P05C6
P05C6 indicates an issue with the oil pressure sensor or circuit.
P05C7
Indicates a problem with the engine coolant temperature (ECT) sensor circuit,...
P05C8
P05C8 indicates a problem with the intake air temperature sensor circuit in y...
P05C9
DTC P05C9 signifies a problem with the oil pressure sensor or its circuit,
P05CA
The P05CA code indicates an issue with the oil pressure control circuit perfo...
P05CB
The P05CB code indicates a crankshaft position sensor range/performance issue...
P05CC
DTC P05CC indicates an issue with the intake air temperature sensor circuit.
P05CD
The P05CD code indicates a problem with the Engine Coolant Flow Control syste...
P05CE
P05CE indicates a malfunction in the engine coolant temperature sensor circuit.
P05CF
P05CF indicates an oil pressure switch circuit issue, often leading to engine...
P05D0
P05D0 indicates an issue with the engine oil pressure switch or sensor.
P05D1
P05D1 indicates an issue with the intake air control system, particularly the...
P05D2
P05D2 indicates an issue with your vehicle's oil pressure sensor circuit.
P05D3
P05D3 indicates a low signal from the oil pressure sensor, potentially leadin...
P05D4
The P05D4 code indicates a range or performance issue with the oil pressure s...
P05D5
P05D5 indicates a problem with the oil pressure sensor reading.
P05D6
DTC P05D6 indicates a problem with the engine oil temperature sensor circuit.
P05D7
P05D7 indicates a malfunction in the engine oil pressure control system.
P05D8
DTC P05D8 indicates a malfunction in the turbocharger bypass valve control sy...
P05D9
P05D9 indicates an issue with the fuel rail pressure sensor.
P05DA
P05DA indicates a performance issue with the engine oil temperature sensor ci...
P05DB
Indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit,...
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