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 2601-2700 of 4123 total codes

P0AXX Engine Control System

P0A28
P0A28 indicates a voltage measurement issue in the hybrid battery pack.
P0A29
P0A29 means there's a problem with the cooling system for your hybrid battery.
P0A2A
P0A2A indicates a problem with the hybrid inverter temperature sensor circuit.
P0A2B
DTC P0A2B indicates a malfunction in the hybrid battery pack's internal resis...
P0A2C
P0A2C indicates a hybrid battery performance issue.
P0A2D
The P0A2D code indicates a problem with the hybrid battery cooling system,
P0A2E
P0A2E indicates a range/performance issue with the high voltage battery curre...
P0A2F
P0A2F indicates a fault with the hybrid battery pack temperature sensor.
P0A30
P0A30 signifies a performance issue with the hybrid battery pack,
P0A31
P0A31 indicates a hybrid battery voltage sensor issue, affecting performance.
P0A32
P0A32 indicates a malfunction in the hybrid battery pack voltage system.
P0A33
P0A33 means there's a problem with the hybrid battery pack voltage sensor.
P0A34
DTC P0A34 indicates a battery performance issue that can affect hybrid and el...
P0A35
DTC P0A35 indicates a malfunction in the hybrid inverter cooling system.
P0A36
P0A36 indicates a malfunction in the hybrid battery pack voltage system.
P0A37
The P0A37 code indicates a problem with the hybrid battery voltage sensor ran...
P0A38
P0A38 refers to a hybrid battery pack performance issue, commonly found in To...
P0A39
The P0A39 code indicates a malfunction in the hybrid battery pack,
P0A3A
P0A3A is a diagnostic trouble code indicating a hybrid battery pack voltage i...
P0A3B
DTC P0A3B refers to a malfunction in the hybrid inverter coolant pump.
P0A3C
P0A3C indicates a hybrid battery pack performance issue, often found in Toyot...
P0A3D
P0A3D indicates a hybrid battery pack voltage issue, typically in Toyota and ...
P0A3E
P0A3E indicates a malfunction in the hybrid battery pack voltage system.
P0A3F
P0A3F indicates a malfunction in the hybrid battery pack.
P0A40
P0A40 indicates a voltage error in the hybrid battery pack.
P0A41
The P0A41 code indicates a problem with the hybrid battery pack voltage in yo...
P0A42
P0A42 indicates a fault in the hybrid vehicle's battery management system.
P0A43
P0A43 indicates a malfunction in the hybrid battery pack, often seen in Toyot...
P0A44
P0A44 indicates a fault in the hybrid battery current sensor circuit,
P0A45
The P0A45 code signifies a malfunction in the hybrid battery pack temperature...
P0A46
The P0A46 code indicates a problem with the hybrid battery current sensor's p...
P0A47
P0A47 indicates that the hybrid battery voltage is outside the normal range.
P0A48
DTC P0A48 indicates a problem with the hybrid battery cooling system.
P0A49
P0A49 indicates a hybrid battery performance issue, often seen in Toyota and ...
P0A4A
Indicates a fault in the hybrid battery pack voltage isolation system.
P0A4B
DTC P0A4B indicates a problem with the hybrid battery's control system,
P0A4C
DTC P0A4C indicates a hybrid battery performance issue, commonly in Toyota an...
P0A4D
P0A4D indicates an issue with the hybrid power control module's performance.
P0A4E
DTC P0A4E signifies a hybrid battery performance issue, particularly in Toyot...
P0A4F
P0A4F indicates a fault in the hybrid battery pack voltage system isolation,
P0A50
P0A50 indicates a problem with the hybrid battery temperature sensor in Toyot...
P0A51
P0A51 indicates a hybrid battery performance issue, often linked to voltage p...
P0A52
P0A52 indicates a performance problem with the Battery Energy Control Module ...
P0A53
P0A53 indicates a malfunction in the hybrid battery management system,
P0A54
P0A54 indicates a problem with the inverter coolant temperature sensor in hyb...
P0A55
The P0A55 code indicates a voltage issue within the hybrid battery pack.
P0A56
Indicates a problem with the Hybrid Battery Pack.
P0A57
P0A57 indicates a voltage sensor issue in the hybrid battery pack.
P0A58
P0A58 indicates a hybrid battery pack malfunction.
P0A59
P0A59 indicates a fault with the DC-DC converter in hybrid vehicles.
P0A5A
P0A5A indicates a hybrid battery voltage imbalance, mostly found in Toyota an...
P0A5B
P0A5B indicates a hybrid battery pack malfunction, particularly in vehicles l...
P0A5C
P0A5C refers to a malfunction in the hybrid battery system, often seen in Toy...
P0A5D
P0A5D indicates a fault in the Battery Energy Control Module in hybrid vehicles.
P0A5E
P0A5E indicates a voltage error in the hybrid battery pack.
P0A5F
P0A5F signifies a problem with the hybrid battery temperature sensor circuit.
P0A60
The P0A60 code indicates an issue with the hybrid battery pack voltage,
P0A61
DTC P0A61 refers to a malfunction in the hybrid battery pack's performance.
P0A62
P0A62 indicates a fault with the DC-DC converter in hybrid vehicles.
P0A63
P0A63 indicates a problem with the hybrid vehicle's battery pack.
P0A64
P0A64 indicates a performance issue within the hybrid powertrain control modu...
P0A65
P0A65 indicates a malfunction in the DC-DC converter circuit of hybrid vehicles.
P0A66
P0A66 refers to a malfunction in the hybrid inverter/motor control system.
P0A67
P0A67 indicates a performance issue with the hybrid battery voltage sensor.
P0A68
P0A68 indicates high voltage in the hybrid battery pack.
P0A69
DTC P0A69 indicates a malfunction in the hybrid inverter cooling system.
P0A6A
P0A6A indicates a high voltage condition in the hybrid battery pack.
P0A6B
P0A6B indicates an issue with the hybrid inverter cooling system,
P0A6C
P0A6C indicates a hybrid battery voltage sensor issue.
P0A6D
P0A6D indicates a performance issue with the hybrid battery pack in certain v...
P0A6E
The P0A6E code indicates a problem with the electric drive motor's 'A' phase ...
P0A6F
P0A6F indicates a problem with the hybrid battery pack.
P0A70
The P0A70 code indicates a malfunction in the hybrid battery pack or its comp...
P0A71
P0A71 indicates a problem with the hybrid battery pack, often seen in vehicle...
P0A72
P0A72 indicates a problem with the hybrid battery pack, affecting vehicle per...
P0A73
P0A73 indicates a malfunction in the hybrid battery pack, often in Toyota or ...
P0A74
P0A74 indicates a malfunction in the hybrid battery pack, suggesting potentia...
P0A75
P0A75 indicates a malfunction in the hybrid battery pack of your vehicle.
P0A76
P0A76 indicates a malfunction in the hybrid battery pack.
P0A77
P0A77 indicates a performance issue with the Battery Energy Control Module in...
P0A78
P0A78 indicates an issue with the hybrid battery pack's temperature regulation.
P0A79
P0A79 indicates a malfunction in the hybrid battery pack.
P0A7A
DTC P0A7A refers to a cooling system performance issue in hybrid battery packs.
P0A7B
The P0A7B code indicates a problem with the hybrid battery pack performance i...
P0A7C
P0A7C indicates a problem with the hybrid battery management system.
P0A7D
P0A7D indicates a fault in the hybrid battery management system.
P0A7E
The P0A7E code indicates a problem with the hybrid battery voltage sensor,
P0A7F
P0A7F indicates a problem with the battery current sensor circuit in hybrid v...
P0A80
P0A80 signifies a hybrid battery pack failure, indicating issues with battery...
P0A81
P0A81 indicates a malfunction in the hybrid battery pack, affecting vehicle p...
P0A82
DTC P0A82 indicates a weak or failed hybrid battery.
P0A83
P0A83 indicates a hybrid battery pack performance problem.
P0A84
P0A84 indicates a hybrid battery pack malfunction, often requiring replacemen...
P0A85
P0A85 indicates an inverter performance issue in hybrid/electric vehicles.
P0A86
Indicates an issue with the electric vehicle battery pack cooling system's pe...
P0A87
P0A87 indicates a problem with the hybrid vehicle's battery pack,
P0A88
P0A88 indicates a problem with the hybrid battery pack, affecting vehicle per...
P0A89
P0A89 means there's a problem with your hybrid vehicle's battery pack.
P0A8A
The P0A8A code signifies a voltage sensor range issue in the hybrid battery p...
P0A8B
P0A8B indicates a hybrid battery performance issue.
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