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 3201-3300 of 4123 total codes

P0CXX Engine Control System

P0C80
DTC P0C80 indicates a problem with the battery pack's cooling system.
P0C81
The P0C81 code indicates a problem with the high voltage battery pack current...
P0C82
DTC P0C82 indicates a malfunction in the battery energy control module,
P0C83
P0C83 is a code for a malfunction in the electric motor responsible for power...
P0C84
P0C84 signifies a high battery voltage in hybrid vehicles, indicating potenti...
P0C85
P0C85 indicates a hybrid battery performance issue, commonly found in Toyota ...
P0C86
P0C86 indicates a malfunction in the hybrid battery management system.
P0C87
P0C87 signifies a hybrid powertrain failure related to battery cooling.
P0C88
P0C88 indicates an issue with the electric motor cooling fan control circuit.
P0C89
P0C89 indicates a malfunction in the electric vehicle battery coolant pump.
P0C8A
P0C8A indicates a problem with the hybrid battery energy control module.
P0C8B
P0C8B indicates a malfunction in the hybrid battery voltage sensor circuit.
P0C8C
P0C8C indicates a fault in the hybrid battery cooling system.
P0C8D
P0C8D indicates a communication issue with the hybrid battery management system.
P0C8E
P0C8E indicates a hybrid battery pack malfunction, often related to the batte...
P0C8F
P0C8F indicates a hybrid battery malfunction, often linked to the battery man...
P0C90
P0C90 signifies a voltage problem in your hybrid battery pack.
P0C91
P0C91 indicates a malfunction in the hybrid inverter coolant pump.
P0C92
P0C92 refers to a hybrid battery pack voltage sensor range/performance issue.
P0C93
DTC P0C93 is a trouble code that signifies a problem with the hybrid battery ...
P0C94
P0C94 indicates a voltage sensor issue in the hybrid battery pack.
P0C95
P0C95 indicates high voltage in the hybrid battery pack.
P0C96
DTC P0C96 indicates a failure in the Electrically Assisted Power Steering sys...
P0C97
P0C97 signifies a hybrid battery pack voltage issue in vehicles.
P0C98
Code P0C98 signifies a hybrid battery pack voltage sensor problem,
P0C99
DTC P0C99 indicates a fault in the battery control system of hybrid vehicles.
P0C9A
P0C9A indicates a communication problem between the powertrain control module...
P0C9B
P0C9B indicates an issue with the performance of the electric drive motor 'B'.
P0C9C
P0C9C indicates a malfunction within the hybrid battery pack, primarily affec...
P0C9D
P0C9D refers to an issue with the Electric Drive Motor 'A' Position Sensor Ci...
P0C9E
P0C9E indicates a hybrid battery performance issue, specifically in hybrid ve...
P0C9F
P0C9F indicates a hybrid battery pack issue, typically in Toyota models.
P0CA0
DTC P0CA0 indicates a hybrid battery pack voltage issue.
P0CA1
P0CA1 indicates a voltage sensor issue in hybrid vehicles, affecting battery ...
P0CA2
P0CA2 refers to a hybrid battery voltage sensor malfunction in your vehicle.
P0CA3
P0CA3 indicates a fault in the hybrid battery management system.
P0CA4
P0CA4 signifies a problem with the hybrid battery pack's performance.
P0CA5
P0CA5 indicates an issue with the EV battery pack's voltage monitoring system.
P0CA6
P0CA6 indicates a problem with the electric vehicle battery module's performa...
P0CA7
P0CA7 indicates a performance issue with the hybrid battery voltage sensor.
P0CA8
P0CA8 indicates a malfunction in the hybrid battery management system.
P0CA9
P0CA9 indicates a problem with the hybrid battery pack cooling system.
P0CAA
The P0CAA code signifies a high battery voltage condition in electric vehicles.
P0CAB
P0CAB indicates issues with the battery management system in hybrid vehicles.
P0CAC
P0CAC indicates a problem with the battery current sensor in electric and hyb...
P0CAD
P0CAD indicates a malfunction related to the electric motor or inverter in hy...
P0CAE
P0CAE indicates a problem with the Powertrain Control Module (PCM),
P0CAF
P0CAF indicates a problem with the hybrid battery voltage sensor range or per...
P0CB0
DTC P0CB0 indicates a performance issue with the hybrid battery pack.
P0CB1
The P0CB1 code signifies a problem with the Battery Energy Control Module (BE...
P0CB2
P0CB2 indicates a performance issue with the battery pack voltage sensor.
P0CB3
P0CB3 signifies a battery pack current sensor performance issue in hybrid veh...
P0CB4
P0CB4 indicates a problem with the battery pack cooling system in hybrid vehi...
P0CB5
DTC P0CB5 refers to a problem with the battery current sensor in hybrid vehic...
P0CB6
P0CB6 signifies a hybrid battery performance issue, typically indicating that...
P0CB7
P0CB7 indicates a hybrid battery pack voltage system isolation fault.
P0CB8
P0CB8 indicates a hybrid battery system issue, typically in Honda and Toyota ...
P0CB9
P0CB9 signifies a high voltage battery pack isolation fault, particularly in ...
P0CBA
P0CBA indicates a performance issue with the Battery Energy Control Module,
P0CBB
P0CBB indicates a hybrid battery pack performance issue, often found in Toyot...
P0CBC
P0CBC indicates a battery current sensor issue, affecting voltage readings.
P0CBD
P0CBD indicates a hybrid battery performance issue detected by the battery ma...
P0CBE
P0CBE indicates a fault in the electric vehicle battery management system.
P0CBF
The P0CBF code indicates a malfunction in the hybrid battery system,
P0CC0
P0CC0 indicates a fault in the hybrid battery management system,
P0CC1
P0CC1 indicates a fault in the Battery Energy Control Module, which could imp...
P0CC2
DTC P0CC2 indicates a fault in the electric vehicle battery management system.
P0CC3
P0CC3 indicates a hybrid battery performance issue, specifically related to v...
P0CC4
DTC P0CC4 indicates an overcurrent in the electric drive motor,
P0CC5
The P0CC5 code indicates a problem with the voltage sensor of the hybrid batt...
P0CC6
P0CC6 indicates a malfunction in the high-voltage battery management system o...
P0CC7
P0CC7 indicates a voltage sensor issue within the hybrid battery pack.
P0CC8
P0CC8 relates to issues in the electric motor or battery management system of...
P0CC9
P0CC9 indicates a problem with the current sensor of the hybrid battery pack.
P0CCA
DTC P0CCA indicates a malfunction in the battery management system of electri...
P0CCB
P0CCB indicates a battery management system fault or imbalance in hybrid batt...
P0CCC
P0CCC indicates a communication error within the powertrain control module.
P0CCD
P0CCD indicates a transmission control issue detected by the vehicle's TCM.
P0CCE
P0CCE indicates a fault in the hybrid battery control system, often affecting...
P0CCF
The P0CCF code indicates an issue with EV battery pack performance,
P0CD0
P0CD0 indicates a malfunction in the Powertrain Control Module communication.
P0CD1
P0CD1 indicates a problem with the electric motor cooling system in hybrid ve...
P0CD2
P0CD2 indicates a hybrid battery performance issue, requiring immediate atten...
P0CD3
P0CD3 indicates a fault in the battery management system of hybrid vehicles.
P0CD4
DTC P0CD4 indicates a hybrid battery voltage sensor performance issue.
P0CD5
P0CD5 indicates a malfunction in the hybrid battery voltage sensor,
P0CD6
P0CD6 indicates a voltage imbalance in the hybrid battery pack.
P0CD7
The P0CD7 code indicates an issue with the drive motor 'B' position sensor ci...
P0CD8
DTC P0CD8 indicates a fault in the high voltage battery system of hybrid vehi...
P0CD9
P0CD9 indicates a fault in the hybrid battery pack performance,
P0CDA
P0CDA signifies a problem with the Battery Energy Control Module in hybrid ve...
P0CDB
The P0CDB code signals a problem with the Electric Drive Motor 'B' position s...
P0CDC
P0CDC indicates a performance issue with the Transmission Control Module.
P0CDD
P0CDD refers to a performance issue in the hybrid battery pack cooling system.
P0CDE
P0CDE indicates a high voltage battery pack current sensor performance proble...
P0CDF
P0CDF means the Powertrain Control Module (PCM) is experiencing performance i...
P0CE0
P0CE0 indicates a malfunction in the hybrid battery management system,
P0CE1
P0CE1 indicates a problem with the electric vehicle battery control module,
P0CE2
The P0CE2 code signifies a malfunction in the hybrid energy management system.
P0CE3
P0CE3 indicates a fault in the EV battery management system, affecting vehicl...
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