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 11801-11900 of 12293 total codes

P2EXX Engine Control System

P2E18
P2E18 relates to a malfunction in the turbocharger or supercharger boost cont...
P2E19
P2E19 refers to an issue with the electric throttle control system,
P2E1A
P2E1A indicates a hybrid battery management issue, often related to voltage p...
P2E1B
DTC P2E1B indicates a problem with the hybrid battery management system.
P2E1C
The P2E1C code indicates a problem with the hybrid battery management system'...
P2E1D
DTC P2E1D indicates a fault in the hybrid powertrain control module related t...
P2E1E
P2E1E indicates a malfunction in the hybrid battery management system.
P2E1F
P2E1F indicates a performance problem with the hybrid battery management system.
P2E20
P2E20 indicates a hybrid battery performance issue.
P2E21
P2E21 indicates a hybrid powertrain control module issue, often linked to com...
P2E22
P2E22 indicates a performance issue with the fuel pump control module,
P2E23
The Diagnostic Trouble Code (DTC) P2E23 is a trouble code that indicates an i...
P2E24
DTC P2E24 indicates an issue with the hybrid battery management system.
P2E25
P2E25 refers to a malfunction in the engine's hybrid battery cooling system.
P2E26
The P2E26 code indicates an issue with the electric motor or related componen...
P2E27
The P2E27 code indicates a fuel injector circuit performance issue.
P2E28
P2E28 indicates a problem with the hybrid battery management system's voltage.
P2E29
DTC P2E29 signals a malfunction in the hybrid powertrain's energy storage sys...
P2E2A
The P2E2A code indicates a malfunction with the battery management system,
P2E2B
P2E2B indicates a hybrid battery control module issue.
P2E2C
P2E2C indicates a malfunction in the Electric Power Steering system,
P2E2D
P2E2D indicates a problem with the hybrid battery management system.
P2E2E
P2E2E indicates a problem with the hybrid battery management system.
P2E2F
P2E2F indicates a malfunction in the fuel management system related to the fu...
P2E30
The P2E30 code indicates a fault in the Fuel Pump Control Module,
P2E31
P2E31 indicates a malfunction in the hybrid battery pack, primarily affecting...
P2E32
The P2E32 code indicates problems with the fuel pressure sensor or fuel system.
P2E33
P2E33 indicates a fuel pressure regulator issue, affecting fuel delivery.
P2E34
P2E34 signifies a malfunction related to the fuel mixture sensor in the ECM.
P2E35
P2E35 indicates a malfunction in the hybrid battery temperature sensor.
P2E36
P2E36 indicates a fault in the hybrid battery management system,
P2E37
The P2E37 code indicates a malfunction in the hybrid powertrain control modul...
P2E38
P2E38 indicates a camshaft position sensor issue, affecting engine timing.
P2E39
P2E39 indicates a problem with the hybrid battery voltage sensor circuit.
P2E3A
P2E3A indicates a problem with the high voltage battery management system in ...
P2E3B
P2E3B indicates a problem with the hybrid battery management system.
P2E3C
The P2E3C code indicates an issue with the vehicle's emission control system,...
P2E3D
P2E3D indicates a problem with the hybrid battery management system,
P2E3E
P2E3E means there's an issue with the hybrid battery pack voltage sensor.
P2E3F
P2E3F indicates a malfunction in the hybrid battery temperature sensor.
P2E40
The P2E40 code indicates a performance issue with the hybrid system in vehicl...
P2E41
The P2E41 code indicates a malfunction in the hybrid power management system,...
P2E42
The P2E42 code indicates a malfunction in the Exhaust Gas Recirculation (EGR)...
P2E43
P2E43 indicates a fault in the hybrid motor control system, affecting vehicle...
P2E44
The P2E44 diagnostic trouble code (DTC) is a manufacturer-specific code prima...
P2E45
P2E45 indicates a battery temperature sensor issue in hybrid vehicles.
P2E46
P2E46 indicates a hybrid battery management issue, affecting performance.
P2E47
P2E47 indicates a hybrid battery management issue, commonly found in Honda mo...
P2E48
P2E48 indicates a hybrid battery temperature issue within your vehicle.
P2E49
P2E49 indicates an issue in the hybrid system's power management module.
P2E4A
P2E4A indicates a problem with the fuel pump control module circuit.
P2E4B
DTC P2E4B signifies an issue with the powertrain control module or battery mo...
P2E4C
The P2E4C code indicates a problem with the hybrid battery management system.
P2E4D
P2E4D refers to a malfunction in the Fuel Pump Control Module,
P2E4E
The P2E4E code indicates a problem with the vehicle's NOx reduction system,
P2E4F
P2E4F indicates a malfunction in the EGR system, affecting emissions and engi...
P2E50
P2E50 indicates a powertrain control module issue related to performance or c...
P2E51
The P2E51 code indicates a problem with the air-fuel mixture control in the e...
P2E52
The P2E52 code indicates a problem with the diesel exhaust fluid quality sensor.
P2E53
P2E53 indicates a diesel particulate filter performance issue,
P2E54
P2E54 indicates a fuel delivery issue in your vehicle, often related to the f...
P2E55
P2E55 indicates a malfunction in the hybrid control system, particularly rela...
P2E56
P2E56 indicates a malfunction in the hybrid battery management system,
P2E57
DTC P2E57 indicates an issue with the battery management system in hybrid veh...
P2E58
DTC P2E58 indicates a malfunction in the hybrid battery management system,
P2E59
DTC P2E59 indicates a malfunction in the hybrid powertrain system,
P2E5A
P2E5A indicates an issue with the battery management system in hybrid vehicles.
P2E5B
P2E5B indicates a problem in the hybrid powertrain battery management system.
P2E5C
P2E5C signifies a performance issue with the Powertrain Control Module (PCM).
P2E5D
P2E5D relates to a battery management issue in hybrid vehicles.
P2E5E
Indicates an issue with the hybrid vehicle's powertrain, specifically related...
P2E5F
DTC P2E5F indicates a fuel injector circuit malfunction in the engine control...
P2E60
The diagnostic trouble code (DTC) P2E60 indicates an issue related to the hyb...
P2E61
P2E61 indicates a fault in the fuel injector control circuit, impacting engin...
P2E62
The P2E62 code indicates a fault in the electric motor control system of a hy...
P2E63
P2E63 indicates a hybrid battery management system issue, particularly in For...
P2E64
DTC P2E64 indicates a fuel pressure regulation issue in your vehicle's fuel s...
P2E65
P2E65 indicates a problem with the hybrid battery voltage sensor circuit in y...
P2E66
Indicates a malfunction within the vehicle's electric motor or battery manage...
P2E67
P2E67 indicates a malfunction in the hybrid powertrain control module,
P2E68
DTC P2E68 indicates a fault in the hybrid battery management system,
P2E69
P2E69 indicates a malfunction in the hybrid vehicle's power control unit.
P2E6A
P2E6A refers to a fault in the hybrid battery management system,
P2E6B
P2E6B indicates a malfunction in the hybrid battery cooling system.
P2E6C
DTC P2E6C indicates a problem with the hybrid electric motor control system.
P2E6D
The P2E6D code indicates a communication issue with the hybrid battery manage...
P2E6E
P2E6E indicates a hybrid powertrain control module issue.
P2E6F
P2E6F indicates an issue with the EGR system affecting emissions.
P2E70
P2E70 indicates a problem with the hybrid battery voltage sensor circuit.
P2E71
P2E71 indicates a problem with the hybrid battery pack condition.
P2E72
P2E72 indicates a fuel pressure sensor issue in vehicles like the Ford Escape.
P2E73
DTC P2E73 denotes a malfunction in the engine temperature sensor circuit.
P2E74
The P2E74 code indicates a hybrid battery pack voltage issue, primarily affec...
P2E75
P2E75 indicates a malfunction with the hybrid electric motor system in vehicl...
P2E76
The P2E76 code indicates a malfunction in the emissions control system,
P2E77
DTC P2E77 indicates a voltage imbalance within the hybrid battery management ...
P2E78
P2E78 indicates an issue with the voltage monitoring of the hybrid battery pack.
P2E79
P2E79 indicates a potential issue with the hybrid battery management system.
P2E7A
The P2E7A code indicates a fuel pressure regulator performance issue.
P2E7B
DTC P2E7B signals a problem with the battery voltage or charging system.
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