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 11901-12000 of 12293 total codes

P2EXX Engine Control System

P2E7C
DTC P2E7C indicates a fault in the hybrid battery management system.
P2E7D
The P2E7D code indicates a problem with the powertrain control module's opera...
P2E7E
The P2E7E code signifies a malfunction in the hybrid battery management system.
P2E7F
Indicates a problem with the diesel particulate filter (DPF) efficiency in yo...
P2E80
DTC P2E80 indicates an issue with the hybrid battery management system,
P2E81
P2E81 signifies a hybrid battery performance issue in vehicles like the Toyot...
P2E82
Indicates a problem with the vehicle's hybrid battery management system.
P2E83
The DTC P2E83 trouble code indicates an issue with the electric vacuum pump's...
P2E84
Indicates you may notice your vehicle struggling to maintain speed,
P2E85
The P2E85 code indicates a performance issue with the hybrid battery pack.
P2E86
DTC P2E86 is a diagnostic trouble code indicating an issue with the vehicle's...
P2E87
DTC P2E87 indicates a battery management issue in hybrid vehicles.
P2E88
P2E88 indicates a hybrid system communication issue that can affect performance.
P2E89
P2E89 signifies a performance issue with the fuel rail pressure sensor.
P2E8A
P2E8A is a trouble code indicating a powertrain control module issue.
P2E8B
The P2E8B code indicates a malfunction in the hybrid battery management syste...
P2E8C
P2E8C indicates an issue with the fuel pump control circuit.
P2E8D
P2E8D indicates a malfunction in the electric turbocharger system.
P2E8E
P2E8E indicates a fault in the battery management system, particularly relate...
P2E8F
P2E8F indicates a fuel system performance issue related to the engine's air-f...
P2E90
P2E90 indicates a problem with the hybrid battery management system,
P2E91
The P2E91 code indicates a malfunction in the hybrid battery management system.
P2E92
Indicates the battery management system has detected a fault that could impai...
P2E93
P2E93 indicates a malfunction in the engine control system, often related to ...
P2E94
P2E94 signifies a hybrid battery management issue in vehicles,
P2E95
P2E95 indicates a communication issue between the hybrid powertrain control m...
P2E96
The diagnostic trouble code (DTC) P2E96 is associated with a malfunction in t...
P2E97
P2E97 indicates a problem with the hybrid battery management system.
P2E98
DTC P2E98 indicates a malfunction in the hybrid system affecting engine and t...
P2E99
P2E99 indicates a fuel pressure regulation issue, often affecting Ford and Li...
P2E9A
P2E9A indicates a malfunction in the hybrid battery management system.
P2E9B
The P2E9B code indicates an issue with the energy management system in hybrid...
P2E9C
The P2E9C code indicates a potential issue in the hybrid battery management s...
P2E9D
P2E9D indicates an issue with the EGR temperature sensor, affecting emissions...
P2E9E
P2E9E refers to a hybrid energy control system issue, particularly in vehicle...
P2E9F
The diagnostic trouble code (DTC) P2E9F indicates a problem with the hybrid b...
P2EA0
DTC P2EA0 indicates a hybrid battery performance problem, often linked to iss...
P2EA1
P2EA1 indicates a hybrid battery temperature issue.
P2EA2
DTC P2EA2 indicates a fault in the electric motor system of hybrid vehicles.
P2EA3
P2EA3 indicates a fault in the hybrid battery pack of your vehicle.
P2EA4
P2EA4 signifies a hybrid battery pack malfunction in vehicles like the Toyota...
P2EA5
P2EA5 indicates a problem with the performance of the hybrid battery in Toyot...
P2EA6
DTC P2EA6 indicates a malfunction in the hybrid battery system of your vehicle.
P2EA7
The P2EA7 diagnostic trouble code (DTC) is related to the hybrid battery temp...
P2EA8
DTC P2EA8 means there is an issue with the hybrid battery voltage sensor rang...
P2EA9
P2EA9 indicates a malfunction in the hybrid battery pack system,
P2EAA
P2EAA indicates a problem in the hybrid powertrain system.
P2EAB
The Diagnostic Trouble Code (DTC) P2EAB indicates a malfunction within the hy...
P2EAC
P2EAC indicates a malfunction in the hybrid control module affecting vehicle ...
P2EAD
DTC P2EAD signifies an issue with the hybrid battery current sensor in vehicl...
P2EAE
Indicates an issue with the hybrid vehicle's battery management system,
P2EAF
P2EAF indicates a malfunction in the NOx sensor circuits.
P2EB0
P2EB0 indicates a fault in the hybrid battery management system.
P2EB1
P2EB1 indicates a hybrid battery management system fault.
P2EB2
The P2EB2 code indicates a hybrid battery management system fault.
P2EB3
P2EB3 signifies a hybrid powertrain control module performance issue.
P2EB4
The P2EB4 code indicates a hybrid battery issue in vehicles, particularly Toy...
P2EB5
P2EB5 indicates a malfunction in the battery management system,
P2EB6
P2EB6 indicates a malfunction in the hybrid battery charging system.
P2EB7
P2EB7 indicates a problem in the diesel exhaust fluid system, often related t...
P2EB8
DTC P2EB8 indicates a fault within the hybrid battery system, primarily affec...
P2EB9
P2EB9 indicates a fault with the battery management system, specifically the ...
P2EBA
DTC P2EBA indicates a problem with the battery management system,
P2EBB
DTC P2EBB indicates a problem with the powertrain control module's functional...
P2EBC
P2EBC indicates a fault with the hybrid battery control module.
P2EBD
DTC P2EBD indicates a fault in the hybrid battery management system,
P2EBE
P2EBE indicates a battery energy control module issue in your vehicle.
P2EBF
P2EBF indicates a battery management issue in hybrid or electric vehicles.
P2EC0
P2EC0 indicates a malfunction related to the hybrid battery system in the veh...
P2EC1
DTC P2EC1 indicates a malfunction in the hybrid battery management system.
P2EC2
The P2EC2 code indicates a malfunction in the hybrid control system,
P2EC3
P2EC3 indicates a performance issue with the powertrain control module.
P2EC4
P2EC4 indicates a malfunction in the Powertrain Control Module,
P2EC5
The DTC P2EC5 indicates a specific issue related to the hybrid vehicle contro...
P2EC6
DTC P2EC6 signifies a hybrid powertrain issue, often related to fuel delivery...
P2EC7
P2EC7 indicates a performance issue with the Powertrain Control Module.
P2EC8
P2EC8 indicates a cooling system issue in the hybrid vehicle's inverter,
P2EC9
P2EC9 indicates a malfunction in the Powertrain Control Module affecting fuel...
P2ECA
P2ECA indicates a powertrain control module fault, affecting vehicle performa...
P2ECB
P2ECB indicates a malfunction in the auxiliary emission control system.
P2ECC
P2ECC indicates a problem with the Electric Power Steering system.
P2ECD
P2ECD indicates a malfunction in the hybrid battery management system.
P2ECE
The P2ECE code indicates a hybrid powertrain issue, primarily related to the ...
P2ECF
The P2ECF code signifies a problem with the diesel particulate filter system.
P2ED0
P2ED0 indicates a malfunction in the hybrid battery management system.
P2ED1
P2ED1 indicates a problem with the hybrid battery pack management system.
P2ED2
P2ED2 indicates a malfunction in the Hybrid Powertrain Control Module.
P2ED3
DTC P2ED3 indicates a fault in the electric vehicle charging system.
P2ED4
DTC P2ED4 indicates a malfunction in the hybrid battery management system.
P2ED5
DTC P2ED5 signals a potential issue with your vehicle's fuel delivery system.
P2ED6
DTC P2ED6 indicates an issue with the hybrid energy management system in vehi...
P2ED7
P2ED7 indicates a problem with hybrid battery performance.
P2ED8
Indicates an issue related to the vehicle's hybrid battery management system.
P2ED9
P2ED9 indicates a problem in the hybrid vehicle control module related to bat...
P2EDA
P2EDA indicates a hybrid battery performance issue.
P2EDB
DTC P2EDB refers to a malfunction in the hybrid battery management system,
P2EDC
The P2EDC code relates to a malfunction in the fuel pump control module.
P2EDD
P2EDD indicates a hybrid battery management issue, usually with the Energy Ma...
P2EDE
P2EDE indicates a fault in the electric motor control system, particularly in...
P2EDF
P2EDF indicates a malfunction in the hybrid vehicle's energy management system.
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