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 7301-7400 of 12293 total codes

P1CXX Engine Control System

P1C84
P1C84 indicates a PCM processing error, potentially affecting engine performa...
P1C85
P1C85 indicates a malfunction in the powertrain control module,
P1C86
P1C86 indicates a hybrid battery performance issue, typically relating to the...
P1C87
DTC P1C87 is a diagnostic trouble code that indicates an issue with the hybri...
P1C88
P1C88 indicates a malfunction in the hybrid battery cooling system.
P1C89
P1C89 indicates a fault with the hybrid battery cooling system.
P1C8A
P1C8A indicates a fault in the hybrid battery management system,
P1C8B
DTC P1C8B indicates a malfunction in the hybrid battery management system.
P1C8C
P1C8C indicates a malfunction in the hybrid power management system,
P1C8D
Indicates a problem with the hybrid powertrain control module in vehicles suc...
P1C8E
P1C8E indicates a hybrid battery pack performance issue in vehicles like the ...
P1C8F
P1C8F indicates a fault in the hybrid battery management system,
P1C90
P1C90 indicates a hybrid battery performance issue in vehicles like the Ford ...
P1C91
DTC P1C91 indicates a malfunction in the hybrid battery management system,
P1C92
DTC P1C92 signifies a problem with the hybrid battery temperature sensor read...
P1C93
DTC P1C93 indicates a malfunction in the electric motor within the hybrid sys...
P1C94
P1C94 indicates a malfunction in the hybrid battery pack temperature sensor p...
P1C95
DTC P1C95 indicates a fault in the hybrid battery management system.
P1C96
The P1C96 code indicates a hybrid powertrain system issue related to battery ...
P1C97
P1C97 indicates a hybrid battery performance issue.
P1C98
P1C98 indicates a fault in the hybrid battery pack, often due to voltage diff...
P1C99
DTC P1C99 indicates a malfunction in the hybrid power management system,
P1C9A
P1C9A indicates a problem with the Hybrid Motor Control Module in hybrid vehi...
P1C9B
P1C9B indicates a malfunction in the hybrid powertrain system.
P1C9C
P1C9C indicates a fault in the hybrid battery pack management system.
P1C9D
P1C9D indicates a malfunction in the hybrid battery control module.
P1C9E
The P1C9E code indicates a fault in the hybrid powertrain system,
P1C9F
P1C9F indicates a fault in the hybrid battery management system,
P1CA0
The P1CA0 code indicates a problem with the hybrid battery cooling system per...
P1CA1
The P1CA1 code signifies a malfunction in the Hybrid Battery Voltage Sensor i...
P1CA2
P1CA2 indicates an issue with the hybrid battery management system in vehicle...
P1CA3
P1CA3 indicates a hybrid battery performance issue in certain vehicles.
P1CA4
P1CA4 indicates a problem with the hybrid battery pack's cooling system.
P1CA5
P1CA5 indicates a problem with the hybrid system voltage regulator in Toyota ...
P1CA6
The Diagnostic Trouble Code (DTC) P1CA6 refers to a problem related to the hy...
P1CA7
DTC P1CA7 refers to a malfunction in the hybrid inverter system.
P1CA8
P1CA8 indicates a malfunction in the hybrid battery management system.
P1CA9
P1CA9 indicates a fault in the hybrid battery cooling system.
P1CAA
P1CAA indicates a hybrid battery performance issue in vehicles,
P1CAB
P1CAB indicates a problem with the hybrid battery management system.
P1CAC
P1CAC indicates a malfunction in the hybrid battery management system.
P1CAD
P1CAD indicates a problem with the hybrid battery management system's communi...
P1CAE
DTC P1CAE indicates a malfunction in the hybrid powertrain control module,
P1CAF
P1CAF indicates an issue with the air intake system performance.
P1CB0
The P1CB0 code indicates a malfunction within the hybrid battery system,
P1CB1
P1CB1 indicates an issue with the hybrid control system in your vehicle,
P1CB2
P1CB2 indicates a hybrid system performance issue, especially in hybrid vehic...
P1CB3
The P1CB3 code indicates a problem with the hybrid battery's voltage management.
P1CB4
P1CB4 signifies a hybrid battery system malfunction, often related to voltage...
P1CB5
Indicates your vehicle's steering system might not be functioning as it shoul...
P1CB6
P1CB6 indicates a hybrid battery management problem.
P1CB7
P1CB7 indicates a hybrid battery voltage issue, commonly in Toyota vehicles.
P1CB8
DTC P1CB8 signifies a problem with the hybrid battery management system in ce...
P1CB9
P1CB9 indicates a problem with the hybrid battery management system.
P1CBA
P1CBA indicates an issue with the hybrid battery management system.
P1CBB
P1CBB indicates a malfunction in the hybrid battery management system of spec...
P1CBC
The P1CBC code indicates a fuel delivery issue related to fuel pressure regul...
P1CBD
Indicates a specific issue related to the vehicle's hybrid control system,
P1CBE
The P1CBE code indicates a malfunction in the hybrid battery management syste...
P1CBF
P1CBF indicates a hybrid battery management system issue.
P1CC0
The P1CC0 code indicates a malfunction in the hybrid battery management system.
P1CC1
Indicates a problem with the hybrid battery pack in vehicles like the 2015-20...
P1CC2
The P1CC2 code indicates a fault in the hybrid battery management system.
P1CC3
P1CC3 indicates a hybrid control system issue, often related to battery manag...
P1CC4
P1CC4 indicates a problem with fuel pressure regulation, impacting vehicle pe...
P1CC5
DTC P1CC5 indicates a hybrid battery management issue in vehicles,
P1CC6
The P1CC6 code indicates a malfunction in the hybrid battery management system.
P1CC7
P1CC7 indicates a problem in the vehicle’s powertrain, often linked to fuel s...
P1CC8
P1CC8 indicates a problem with the fuel delivery system, mainly the fuel pump...
P1CC9
P1CC9 indicates a problem with the transmission control system detected by th...
P1CCA
P1CCA indicates a problem with the hybrid battery management system.
P1CCB
P1CCB indicates a fuel system performance issue detected by the ECM.
P1CCC
DTC P1CCC indicates an issue with the hybrid powertrain control module,
P1CCD
The P1CCD code indicates a problem with the hybrid battery management system.
P1CCE
P1CCE indicates a problem with the Battery Monitoring System (BMS),
P1CCF
P1CCF indicates a fault in the fuel pressure regulation system,
P1CD0
P1CD0 signifies a problem with the hybrid battery management system,
P1CD1
P1CD1 indicates a hybrid battery malfunction, particularly in vehicles like t...
P1CD2
P1CD2 indicates a problem with the hybrid battery management system.
P1CD3
P1CD3 indicates a hybrid battery performance issue in your vehicle.
P1CD4
The P1CD4 code indicates a malfunction in the hybrid battery management system.
P1CD5
P1CD5 indicates a malfunction in the hybrid battery management system.
P1CD6
DTC P1CD6 indicates a problem with the hybrid inverter's temperature manageme...
P1CD7
DTC P1CD7 indicates an issue with hybrid battery performance.
P1CD8
P1CD8 indicates a hybrid battery pack voltage issue, primarily in Toyota Priu...
P1CD9
P1CD9 indicates a fault in the hybrid battery management system.
P1CDA
Indicates a problem in the vehicle's powertrain control module (PCM) related ...
P1CDB
P1CDB indicates a malfunction in the Hybrid Battery Control Module in certain...
P1CDC
P1CDC indicates an issue with the vehicle's powertrain control system,
P1CDD
DTC P1CDD signifies a fuel pressure issue, typically related to the fuel pres...
P1CDE
The P1CDE code indicates a malfunction in the hybrid battery management system.
P1CDF
The P1CDF code indicates a problem with the hybrid powertrain control module ...
P1CE0
P1CE0 indicates a performance issue with the fuel pressure regulator in certa...
P1CE1
P1CE1 indicates a hybrid energy management issue.
P1CE2
P1CE2 indicates a fault in the hybrid powertrain performance, often related t...
P1CE3
P1CE3 indicates a fault with the fuel pump control module or its circuitry.
P1CE4
P1CE4 indicates a malfunction in the hybrid control system related to PCM com...
P1CE5
P1CE5 indicates a problem with the fuel control system, particularly related ...
P1CE6
DTC P1CE6 indicates a communication error within the vehicle's control modules.
P1CE7
P1CE7 indicates a malfunction in the hybrid powertrain control module in vehi...
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