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 3301-3400 of 4123 total codes

P0CXX Engine Control System

P0CE4
P0CE4 indicates a problem with the fuel pump control circuit.
P0CE5
DTC P0CE5 refers to a hybrid powertrain issue, particularly with the battery ...
P0CE6
P0CE6 indicates a malfunction in the hybrid powertrain system,
P0CE7
P0CE7 indicates a fault in the hybrid powertrain system related to the TCM or...
P0CE8
P0CE8 relates to a communication error within the hybrid battery system,
P0CE9
P0CE9 indicates an internal error within the Powertrain Control Module (PCM).
P0CEA
Indicates the vehicle's onboard diagnostics have detected abnormal readings r...
P0CEB
P0CEB indicates a fault in the electric power steering system.
P0CEC
P0CEC indicates a hybrid battery pack issue, commonly affecting models like t...
P0CED
P0CED indicates a malfunction within the Powertrain Control Module.
P0CEE
P0CEE indicates a malfunction in the hybrid battery system, often requiring i...
P0CEF
P0CEF indicates a high voltage issue in the fuel injector circuit.
P0CF0
P0CF0 indicates a malfunction in the hybrid control system, particularly in e...
P0CF1
The P0CF1 code indicates a performance issue with the battery temperature sen...
P0CF2
P0CF2 indicates a battery management system issue, often seen in hybrid and e...
P0CF3
The P0CF3 code signals a communication issue within the hybrid powertrain con...
P0CF4
The P0CF4 code signifies a high voltage condition in the hybrid battery pack.
P0CF5
P0CF5 refers to a hybrid battery voltage sensor issue.
P0CF6
The diagnostic trouble code (DTC) P0CF6 indicates an issue within the battery...
P0CF7
P0CF7 indicates an issue with the hybrid battery voltage sensor.
P0CF8
P0CF8 indicates a hybrid powertrain issue, often related to the battery manag...
P0CF9
P0CF9 indicates a hybrid battery voltage sensor issue.
P0CFA
P0CFA indicates an issue with the electric motor power control in hybrid/elec...
P0CFB
P0CFB indicates a hybrid battery SOC sensor issue.
P0CFC
P0CFC signifies a fault in the electric motor performance in hybrid vehicles.
P0CFD
The P0CFD code indicates a malfunction in the electric vehicle battery chargi...
P0CFE
P0CFE indicates a fault in the hybrid battery system related to the electric ...
P0CFF
Indicates a specific fault in hybrid electric vehicles (HEVs),

P0DXX Engine Control System

P0D00
P0D00 indicates a problem with the battery pack cooling system in hybrid vehi...
P0D01
P0D01 indicates a hybrid battery issue, specifically an imbalance in battery ...
P0D02
DTC P0D02 indicates a voltage measurement issue in the hybrid battery pack.
P0D03
P0D03 indicates a problem with the hybrid battery inverter cooling system in ...
P0D04
P0D04 signifies a performance issue with the hybrid motor generator's tempera...
P0D05
P0D05 indicates a performance issue with the Battery Energy Control Module.
P0D06
The P0D06 code indicates a malfunction in the hybrid battery control system o...
P0D07
P0D07 indicates a hybrid battery performance issue in vehicles like the Toyot...
P0D08
DTC P0D08 indicates an electric motor control circuit performance issue,
P0D09
P0D09 indicates a problem with the hybrid battery pack cooling system.
P0D0A
DTC P0D0A signifies an electric motor issue in hybrid systems,
P0D0B
DTC P0D0B indicates a performance issue with the hybrid battery voltage sensor.
P0D0C
DTC P0D0C indicates a problem with the hybrid vehicle's energy management sys...
P0D0D
DTC P0D0D indicates an issue with the hybrid battery system, particularly the...
P0D0E
P0D0E indicates a malfunction in the Electric Drive Motor Power Control Module.
P0D0F
P0D0F indicates a problem with the electric vehicle battery pack or managemen...
P0D10
DTC P0D10 indicates a voltage imbalance in the hybrid battery pack.
P0D11
P0D11 indicates a problem with the hybrid battery pack voltage sensor.
P0D12
P0D12 indicates a problem with the electric vehicle battery pack,
P0D13
P0D13 indicates a fault in the hybrid battery temperature sensor.
P0D14
P0D14 means there's a problem with the hybrid battery cooling fan in your veh...
P0D15
P0D15 indicates a voltage imbalance in the hybrid battery pack,
P0D16
The P0D16 code indicates an issue with the battery temperature sensor circuit...
P0D17
P0D17 signifies a battery pack cooling performance issue in hybrid vehicles.
P0D18
P0D18 indicates a hybrid battery performance issue, often related to voltage ...
P0D19
The P0D19 code indicates a problem with the electric vehicle's battery therma...
P0D1A
Indicates a malfunction related to the electric vehicle battery.
P0D1B
P0D1B indicates a communication error with the Battery Control Module in hybr...
P0D1C
P0D1C indicates an issue with the hybrid battery cooling system,
P0D1D
P0D1D signifies a battery pack cooling system performance issue in hybrid veh...
P0D1E
The P0D1E code indicates a performance issue with the hybrid battery pack in ...
P0D1F
P0D1F indicates a malfunction with the hybrid battery pack in certain Toyota ...
P0D20
P0D20 indicates a malfunction in the hybrid battery pack current sensor.
P0D21
DTC P0D21 indicates a malfunction related to the Battery Energy Control Modul...
P0D22
P0D22 indicates a problem with the Battery Energy Control Module's performanc...
P0D23
P0D23 indicates a fault in the electric vehicle battery control system relate...
P0D24
P0D24 indicates a hybrid battery malfunction in vehicles like the Toyota Prius.
P0D25
P0D25 indicates a malfunction in the electric vehicle charging system,
P0D26
DTC P0D26 indicates a fault in the hybrid battery management system related t...
P0D27
P0D27 indicates an electric drive motor control module performance issue.
P0D28
P0D28 refers to a performance issue with the Battery Energy Control Module in...
P0D29
DTC P0D29 indicates a fault with the hybrid battery temperature sensors.
P0D2A
P0D2A indicates a fault in the battery management system of hybrid vehicles,
P0D2B
P0D2B indicates a hybrid battery cooling performance issue, affecting battery...
P0D2C
P0D2C indicates a fault in the hybrid battery control system.
P0D2D
P0D2D indicates a performance issue with the Electric Vehicle Drive Motor 'A'...
P0D2E
DTC P0D2E indicates a malfunction in the hybrid battery management system.
P0D2F
P0D2F indicates a problem with the hybrid battery cooling system,
P0D30
P0D30 indicates a malfunction in the hybrid battery pack voltage sensor range.
P0D31
P0D31 indicates a fault in the Electric Vehicle Battery Monitoring System.
P0D32
P0D32 indicates a malfunction within the battery energy control module (BECM).
P0D33
P0D33 indicates a voltage sensor issue in a hybrid vehicle's battery pack.
P0D34
The P0D34 code indicates a performance issue in the Battery Energy Control Mo...
P0D35
The diagnostic trouble code (DTC) P0D35 refers to an issue with the electric ...
P0D36
P0D36 indicates a malfunction in the hybrid battery management system.
P0D37
P0D37 indicates a malfunction with the hybrid battery temperature sensor.
P0D38
P0D38 indicates a malfunction with the hybrid battery voltage sensor range or...
P0D39
DTC P0D39 indicates a problem with the hybrid battery performance in vehicles...
P0D3A
DTC P0D3A signifies a voltage issue in the hybrid battery pack.
P0D3B
P0D3B indicates a cooling system performance issue in the electric vehicle ba...
P0D3C
P0D3C refers to a hybrid battery pack cooling performance issue.
P0D3D
The P0D3D diagnostic trouble code (DTC) signifies an issue within the Battery...
P0D3E
P0D3E indicates a malfunction in the electric vehicle battery charging system.
P0D3F
DTC P0D3F indicates a hybrid battery voltage sensor issue in Toyota and Lexus...
P0D40
P0D40 indicates a malfunction with the battery pack temperature sensor in hyb...
P0D41
P0D41 indicates a hybrid battery voltage sensor issue.
P0D42
P0D42 refers to a hybrid battery pack voltage sensor issue, indicating a rang...
P0D43
The P0D43 code signifies a performance problem with the Battery Energy Contro...
P0D44
DTC P0D44 indicates a malfunction in the hybrid battery temperature sensor ci...
P0D45
DTC P0D45 refers to a malfunction in the hybrid battery system,
P0D46
P0D46 indicates a hybrid battery pack performance issue.
P0D47
P0D47 indicates an issue with the hybrid battery temperature sensor in your v...
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