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 11001-11100 of 12293 total codes

P2AXX Engine Control System

P2AF8
P2AF8 indicates a cooling system malfunction for the hybrid battery,
P2AF9
DTC P2AF9 indicates a malfunction in the diesel particulate filter pressure s...
P2AFA
P2AFA indicates a problem with the oxygen sensor circuit's performance,
P2AFB
DTC P2AFB relates to a hybrid battery performance issue.
P2AFC
The P2AFC code indicates an issue with the air-fuel ratio sensor circuit.
P2AFD
P2AFD indicates a fault with the hybrid battery temperature sensor,
P2AFE
P2AFE indicates a hybrid battery voltage issue in vehicles like the Toyota Pr...
P2AFF
DTC P2AFF indicates a problem with the hybrid battery energy control module.

P2BXX Engine Control System

P2B00
Indicates a problem with the vehicle's powertrain control module (PCM) or its...
P2B01
P2B01 indicates a voltage issue with the engine control module,
P2B02
P2B02 indicates a problem with the engine control system's sensor data.
P2B03
P2B03 indicates a malfunction related to the intake air temperature sensor.
P2B04
The P2B04 code indicates a malfunction in the battery management system,
P2B05
P2B05 indicates a fuel pressure regulator performance issue.
P2B06
DTC P2B06 indicates a battery voltage input signal issue.
P2B07
The P2B07 code signifies an issue with the hybrid battery pack voltage perfor...
P2B08
P2B08 indicates a problem with the battery management system related to the v...
P2B09
P2B09 indicates a malfunction in the hybrid battery management system.
P2B0A
P2B0A indicates a hybrid battery performance issue in vehicles like the Toyot...
P2B0B
P2B0B indicates a problem with the hybrid battery voltage sensor range,
P2B0C
P2B0C indicates a fault in the battery energy control module or battery manag...
P2B0D
The P2B0D code indicates a problem with battery voltage management in hybrid ...
P2B0E
P2B0E indicates a fault in the hybrid system, specifically related to the Hyb...
P2B0F
P2B0F indicates a problem with the electric vehicle battery management system...
P2B10
P2B10 indicates a problem with the Battery Monitoring System (BMS) related to...
P2B11
P2B11 indicates a problem with the fuel pump control module or its communicat...
P2B12
P2B12 refers to an issue with the hybrid battery current sensor performance.
P2B13
DTC P2B13 indicates a hybrid battery or charging system issue.
P2B14
P2B14 means there is an abnormal voltage detected in the battery management s...
P2B15
The P2B15 code signals an issue with the high voltage battery negative termin...
P2B16
The P2B16 code indicates a high voltage condition in the battery charge circuit.
P2B17
P2B17 indicates a high voltage in the fuel pump control circuit,
P2B18
P2B18 indicates a problem with the hybrid battery voltage sensor performance.
P2B19
The P2B19 code indicates a hybrid battery voltage sensor issue.
P2B1A
The P2B1A code indicates a battery voltage issue in your vehicle's energy man...
P2B1B
P2B1B indicates a malfunction in the fuel level sensor or fuel system.
P2B1C
P2B1C indicates a problem with the hybrid battery or motor communication in v...
P2B1D
P2B1D indicates a hybrid powertrain control module performance issue,
P2B1E
DTC P2B1E indicates a malfunction in the fuel system related to the vehicle's...
P2B1F
DTC P2B1F indicates a communication issue between the powertrain control modu...
P2B20
DTC P2B20 indicates a communication issue between the hybrid powertrain contr...
P2B21
DTC P2B21 indicates a malfunction related to the hybrid vehicle's battery man...
P2B22
P2B22 indicates a battery voltage range issue detected by the vehicle's compu...
P2B23
DTC P2B23 indicates an issue with battery voltage levels, affecting electrica...
P2B24
P2B24 indicates a fault in the EGR temperature sensor circuit,
P2B25
DTC P2B25 indicates a problem with the hybrid battery management system,
P2B26
P2B26 indicates a malfunction in the hybrid battery cooling system.
P2B27
DTC P2B27 indicates a communication issue within the hybrid powertrain system.
P2B28
P2B28 indicates a problem with the hybrid battery energy control module.
P2B29
P2B29 indicates a malfunction in the vehicle's PCM related to engine control.
P2B2A
P2B2A relates to a malfunction in the transmission control module regarding t...
P2B2B
P2B2B indicates a fuel rail pressure sensor issue in your vehicle.
P2B2C
DTC P2B2C indicates a problem with the battery or charging system in your veh...
P2B2D
The P2B2D code indicates a problem with the battery energy control module in ...
P2B2E
P2B2E indicates a fuel rail pressure sensor issue in the engine.
P2B2F
P2B2F indicates a problem with the hybrid battery management system.
P2B30
Indicates a communication error between the PCM and other engine components.
P2B31
P2B31 indicates a voltage range performance issue, usually with the battery o...
P2B32
P2B32 indicates an abnormal voltage condition in the vehicle's charging system.
P2B33
P2B33 indicates an issue with the hybrid battery temperature sensor.
P2B34
P2B34 indicates a problem with the hybrid battery pack sensor range performance.
P2B35
DTC P2B35 indicates a malfunction in the battery management system of hybrid ...
P2B36
DTC P2B36 indicates a hybrid battery voltage issue within the vehicle's contr...
P2B37
The P2B37 code indicates a communication issue with the transmission control ...
P2B38
P2B38 indicates a throttle actuator control range performance issue.
P2B39
P2B39 indicates a voltage issue in the hybrid powertrain control module,
P2B3A
P2B3A signifies a battery temperature sensor issue in the battery management ...
P2B3B
P2B3B indicates a fault in the battery voltage sensor circuit.
P2B3C
P2B3C indicates a malfunction in the EGR temperature sensor.
P2B3D
DTC P2B3D indicates a fault in the battery management system related to volta...
P2B3E
P2B3E indicates a malfunction in the hybrid battery control system.
P2B3F
DTC P2B3F indicates a fault in the vehicle's powertrain control module commun...
P2B40
DTC P2B40 refers to a malfunction in the battery management system related to...
P2B41
P2B41 refers to a high voltage battery performance issue in hybrid vehicles.
P2B42
P2B42 indicates a problem with the fuel pump control module or circuit.
P2B43
DTC P2B43 signals a hybrid battery management issue, typically related to bat...
P2B44
DTC P2B44 means there's a problem with the hybrid battery temperature sensor.
P2B45
The P2B45 code indicates a communication issue between the transmission contr...
P2B46
P2B46 indicates a problem with the hybrid battery voltage sensing circuit.
P2B47
P2B47 indicates a fuel pump control module issue affecting fuel delivery.
P2B48
P2B48 indicates a battery management issue in vehicles, particularly in certa...
P2B49
DTC P2B49 refers to a malfunction in the hybrid battery charger control modul...
P2B4A
P2B4A refers to a hybrid battery management fault, indicating potential issue...
P2B4B
Indicates an issue with the vehicle's hybrid battery management system.
P2B4C
P2B4C indicates a fault in the battery management system, particularly in hyb...
P2B4D
P2B4D indicates an issue with the turbocharger or supercharger boost control ...
P2B4E
The P2B4E code indicates a malfunction in the exhaust gas recirculation (EGR)...
P2B4F
Indicates the battery is not holding charge properly, may be overheating,
P2B50
P2B50 indicates a battery management system issue, often related to voltage i...
P2B51
P2B51 indicates a malfunction in the hybrid battery management system.
P2B52
P2B52 indicates a problem with the hybrid battery voltage sensor range perfor...
P2B53
P2B53 indicates a performance issue with the Powertrain Control Module (PCM).
P2B54
DTC P2B54 is a diagnostic trouble code indicating a problem with the vehicle'...
P2B55
DTC P2B55 indicates a problem with the hybrid powertrain control module relat...
P2B56
P2B56 indicates a problem with the hybrid battery charging system,
P2B57
P2B57 signifies a fault in the hybrid battery voltage sensor circuit.
P2B58
P2B58 indicates a fault in the battery voltage monitoring system,
P2B59
P2B59 indicates a malfunction in the hybrid battery management system.
P2B5A
P2B5A indicates a communication issue between the PCM and vehicle sensors.
P2B5B
P2B5B indicates a hybrid battery voltage sensor issue, affecting performance.
Page 111 of 123