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 7901-8000 of 12293 total codes

P1EXX Engine Control System

P1EDC
P1EDC indicates an issue with the hybrid battery management system.
P1EDD
Indicates an issue with the vehicle's powertrain control module (PCM) related...
P1EDE
DTC P1EDE indicates a communication issue with the Powertrain Control Module.
P1EDF
Indicates your vehicle's hybrid battery is either too charged or not charged ...
P1EE0
P1EE0 indicates a hybrid battery performance issue, often seen in Toyota models.
P1EE1
P1EE1 indicates a hybrid battery control system malfunction, primarily affect...
P1EE2
DTC P1EE2 indicates a problem with the battery management system in hybrid ve...
P1EE3
P1EE3 indicates a malfunction in the hybrid battery pack, particularly in veh...
P1EE4
DTC P1EE4 indicates a problem with the hybrid battery management system.
P1EE5
P1EE5 indicates a hybrid battery voltage sensor issue, affecting performance ...
P1EE6
The P1EE6 code indicates a problem with the engine power loss,
P1EE7
P1EE7 indicates an issue with the hybrid battery temperature sensor range.
P1EE8
Indicates the BCM is unable to communicate properly with the battery pack,
P1EE9
Indicates a problem with the hybrid vehicle battery system, particularly in m...
P1EEA
P1EEA indicates a hybrid powertrain control module performance issue,
P1EEB
P1EEB refers to a fault in the Hybrid Powertrain Control Module,
P1EEC
P1EEC indicates a malfunction in the hybrid powertrain's energy management sy...
P1EED
The DTC P1EED code indicates a fault within the battery management system (BM...
P1EEE
P1EEE indicates a malfunction in the Vehicle Control Module of hybrid vehicles.
P1EEF
P1EEF signifies a potential issue with the Powertrain Control Module related ...
P1EF0
P1EF0 signifies a fault in the hybrid battery management system,
P1EF1
P1EF1 indicates a malfunction in the hybrid control system, impacting vehicle...
P1EF2
P1EF2 indicates a hybrid battery performance issue, primarily in Toyota and H...
P1EF3
DTC P1EF3 indicates a malfunction in the hybrid battery pack, affecting vehic...
P1EF4
The P1EF4 code signifies a hybrid battery pack performance issue,
P1EF5
DTC P1EF5 indicates a malfunction in the hybrid energy management system.
P1EF6
DTC P1EF6 indicates a hybrid battery system malfunction.
P1EF7
P1EF7 indicates a hybrid battery performance issue in vehicles like the Toyot...
P1EF8
P1EF8 indicates a fault in the hybrid vehicle's battery management system.
P1EF9
The P1EF9 code indicates a malfunction in the Hybrid Powertrain Control Modul...
P1EFA
P1EFA indicates an issue with the Electric Motor Control system in electric v...
P1EFB
P1EFB indicates a malfunction in the hybrid battery management system.
P1EFC
P1EFC signals a hybrid battery management issue, primarily affecting Honda Ac...
P1EFD
P1EFD indicates a fault in the hybrid vehicle control module, affecting batte...
P1EFE
DTC P1EFE indicates a problem with the hybrid battery management system,
P1EFF
P1EFF indicates a fault in the hybrid control system related to energy manage...

P1FXX Engine Control System

P1F00
P1F00 indicates a fault in the powertrain control module affecting vehicle pe...
P1F01
P1F01 indicates a high-voltage battery system issue in hybrid vehicles.
P1F02
DTC P1F02 indicates a malfunction in the powertrain control module related to...
P1F03
P1F03 indicates a malfunction in the hybrid battery system, specifically the ...
P1F04
P1F04 indicates a problem with the hybrid battery cooling system,
P1F05
P1F05 indicates a fault in the hybrid battery pack of your vehicle.
P1F06
P1F06 indicates a performance issue with the Hybrid Battery Control Module,
P1F07
P1F07 signifies a problem within the hybrid battery management system,
P1F08
P1F08 indicates a hybrid powertrain control issue, often related to battery c...
P1F09
P1F09 indicates a hybrid battery management issue.
P1F0A
The diagnostic trouble code (DTC) P1F0A indicates a malfunction related to th...
P1F0B
Indicates a problem with the vehicle’s hybrid battery management system.
P1F0C
P1F0C indicates a hybrid battery pack performance issue.
P1F0D
DTC P1F0D indicates a problem with the hybrid battery pack, typically affecti...
P1F0E
DTC P1F0E signifies a communication issue within the hybrid battery managemen...
P1F0F
P1F0F indicates a hybrid battery pack performance issue, primarily found in T...
P1F10
P1F10 indicates a fault in the hybrid battery control module, leading to perf...
P1F11
P1F11 indicates a fault in the hybrid battery management system,
P1F12
The diagnostic trouble code P1F12 indicates a problem with the hybrid vehicle...
P1F13
The P1F13 code indicates a fault in the hybrid battery management system,
P1F14
P1F14 indicates a hybrid battery cooling system performance issue.
P1F15
P1F15 refers to a fault in the hybrid battery management system,
P1F16
The P1F16 code indicates a malfunction in the hybrid battery cooling system,
P1F17
DTC P1F17 indicates a hybrid battery pack issue in the vehicle's system.
P1F18
DTC P1F18 indicates a cooling issue with the hybrid battery pack.
P1F19
P1F19 indicates a voltage sensor issue in the hybrid battery pack.
P1F1A
Indicates a malfunction in the hybrid battery management system,
P1F1B
P1F1B indicates a hybrid battery performance issue.
P1F1C
P1F1C means there's a hybrid battery control module issue, often related to b...
P1F1D
Indicates a malfunction with the vehicle's hybrid battery management system.
P1F1E
P1F1E indicates a voltage issue with the hybrid battery pack in your vehicle.
P1F1F
P1F1F indicates a battery management issue in hybrid vehicles.
P1F20
P1F20 indicates a malfunction in the hybrid battery monitoring system,
P1F21
DTC P1F21 indicates a fault in the hybrid battery system communication.
P1F22
P1F22 indicates a malfunction in the hybrid battery voltage sensor.
P1F23
P1F23 indicates a malfunction in the hybrid battery management system.
P1F24
P1F24 indicates a fault in the hybrid battery management system,
P1F25
The P1F25 code indicates a problem with the hybrid battery's voltage readings...
P1F26
P1F26 indicates a hybrid battery pack performance issue.
P1F27
P1F27 indicates a malfunction in the hybrid battery management system.
P1F28
DTC P1F28 indicates a failure in the hybrid vehicle's energy management system.
P1F29
P1F29 indicates a malfunction in the hybrid battery pack management system.
P1F2A
P1F2A indicates a hybrid battery issue, often seen in Toyota Prius models.
P1F2B
DTC P1F2B indicates a malfunction in the hybrid propulsion system,
P1F2C
The P1F2C code indicates a hybrid battery performance issue in vehicles,
P1F2D
P1F2D indicates a hybrid battery performance issue, often related to voltage ...
P1F2E
DTC P1F2E signals a problem with the hybrid energy management system,
P1F2F
Indicates there is a malfunction within the system that may affect the vehicl...
P1F30
P1F30 refers to a hybrid battery voltage sensor problem in vehicles like the ...
P1F31
P1F31 means the hybrid battery voltage is out of range, indicating potential ...
P1F32
P1F32 indicates a problem with the hybrid battery voltage sensor circuit.
P1F33
P1F33 indicates a hybrid battery performance issue, commonly found in Honda a...
P1F34
The P1F34 code indicates a malfunction in the hybrid battery pack performance.
P1F35
P1F35 indicates a hybrid system malfunction in vehicles, particularly affecti...
P1F36
The P1F36 code indicates a hybrid battery system voltage sensing issue.
P1F37
DTC P1F37 indicates a fault in the electric vehicle system, particularly rela...
P1F38
P1F38 indicates a malfunction in the hybrid battery management system.
P1F39
The P1F39 code relates to a hybrid system performance issue, primarily affect...
P1F3A
DTC P1F3A indicates a fault in the hybrid battery management system.
P1F3B
DTC P1F3B indicates a malfunction in the hybrid battery energy control module.
P1F3C
P1F3C indicates a performance issue with the hybrid battery management system.
P1F3D
P1F3D indicates a problem with the hybrid battery temperature sensor in your ...
P1F3E
P1F3E signifies a malfunction in the hybrid battery pack system,
P1F3F
DTC P1F3F indicates a fault in the hybrid battery management system.
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