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 11201-11300 of 12293 total codes

P2BXX Engine Control System

P2BC0
P2BC0 signifies an issue with the hybrid battery management system.
P2BC1
The P2BC1 code indicates a fuel mixture issue detected by the ECM,
P2BC2
P2BC2 indicates a problem with the hybrid battery management system.
P2BC3
P2BC3 indicates a communication issue with the Powertrain Control Module.
P2BC4
P2BC4 indicates a malfunction in the Hybrid Powertrain Control Module,
P2BC5
P2BC5 refers to a malfunction in the powertrain control module communication,...
P2BC6
P2BC6 indicates a performance issue with the transmission control module.
P2BC7
P2BC7 indicates a hybrid powertrain fault, particularly in the power control ...
P2BC8
P2BC8 indicates an issue with the transmission fluid temperature sensor in yo...
P2BC9
P2BC9 indicates a problem with the Hybrid Powertrain Control Module related t...
P2BCA
The P2BCA code indicates a malfunction in the engine control circuit,
P2BCB
DTC P2BCB indicates a problem with the hybrid battery communication system.
P2BCC
DTC P2BCC indicates an issue with the hybrid battery management system,
P2BCD
P2BCD indicates a malfunction within the hybrid battery pack system,
P2BCE
P2BCE indicates an issue with the oil pressure sensor circuit.
P2BCF
P2BCF indicates a malfunction in the turbocharger or supercharger system,
P2BD0
The P2BD0 code indicates a problem with the hybrid battery management system.
P2BD1
DTC P2BD1 indicates a fuel system issue detected by the PCM.
P2BD2
P2BD2 indicates a communication issue between the powertrain control module a...
P2BD3
P2BD3 indicates a fault in the Powertrain Control Module related to the regen...
P2BD4
The P2BD4 diagnostic trouble code (DTC) indicates a problem with the transmis...
P2BD5
P2BD5 indicates a malfunction in the vehicle's powertrain management system.
P2BD6
DTC P2BD6 indicates an issue with the vehicle's control module related to tra...
P2BD7
P2BD7 refers to a fault in the Electric Fuel Pump Control Module,
P2BD8
P2BD8 indicates an issue with the vehicle's powertrain control module or elec...
P2BD9
P2BD9 indicates a malfunction in the transmission control system,
P2BDA
P2BDA indicates a problem with the hybrid battery management system.
P2BDB
P2BDB relates to battery management issues, indicating voltage regulation pro...
P2BDC
The P2BDC code refers to an issue with fuel injector performance in your vehi...
P2BDD
P2BDD indicates a battery management issue in hybrid vehicles.
P2BDE
P2BDE indicates a fault in the transmission fluid temperature sensor circuit.
P2BDF
DTC P2BDF indicates a battery management issue in hybrid vehicles.
P2BE0
P2BE0 indicates a hybrid battery performance monitoring issue.
P2BE1
DTC P2BE1 indicates a malfunction in the hybrid battery management system.
P2BE2
P2BE2 signifies a problem with the hybrid battery system in your vehicle.
P2BE3
DTC P2BE3 indicates a malfunction in the electric power steering system.
P2BE4
Indicates potential issues with acceleration, power consumption,
P2BE5
The P2BE5 code indicates a problem with the hybrid battery management system ...
P2BE6
P2BE6 indicates a fault in the hybrid battery energy control module.
P2BE7
P2BE7 indicates a malfunction in the Hybrid Vehicle Control Module related to...
P2BE8
P2BE8 indicates an issue with the hybrid powertrain control module in hybrid ...
P2BE9
DTC P2BE9 indicates a communication fault within the hybrid system's ECM.
P2BEA
P2BEA indicates a problem with the hybrid battery management system.
P2BEB
P2BEB indicates a problem with the fuel pump control module.
P2BEC
P2BEC indicates a problem with the hybrid battery management system.
P2BED
P2BED indicates a fault in the hybrid system or battery management system of ...
P2BEE
P2BEE indicates a malfunction in the Powertrain Control Module related to ene...
P2BEF
P2BEF indicates a problem with the hybrid battery management system.
P2BF0
P2BF0 signifies a malfunction in the Hybrid Battery Management System.
P2BF1
P2BF1 indicates a malfunction in the Diesel Particulate Filter performance.
P2BF2
P2BF2 indicates a fault in the Powertrain Control Module's performance.
P2BF3
P2BF3 indicates a malfunction in the hybrid system's powertrain communication.
P2BF4
P2BF4 indicates a communication issue within the powertrain control module of...
P2BF5
P2BF5 indicates a fuel system performance issue, particularly with fuel press...
P2BF6
P2BF6 indicates a malfunction in the fuel injector circuit.
P2BF7
P2BF7 indicates a problem with the battery management system, often related t...
P2BF8
P2BF8 indicates a problem with the fuel pump control module, affecting fuel d...
P2BF9
P2BF9 indicates a malfunction in the secondary air injection system,
P2BFA
P2BFA indicates a fuel level sensor range or performance issue.
P2BFB
DTC P2BFB signifies a problem with the hybrid battery control system in vehic...
P2BFC
P2BFC indicates a voltage issue with the hybrid battery pack.
P2BFD
P2BFD signifies a hybrid battery management issue, primarily in Ford vehicles.
P2BFE
The DTC P2BFE indicates a communication issue between the Powertrain Control ...
P2BFF
P2BFF indicates a fuel pump control module issue.

P2CXX Engine Control System

P2C00
The P2C00 code signifies a fault in the battery management system,
P2C01
DTC P2C01 indicates a communication error within the powertrain control module.
P2C02
The P2C02 code signifies a communication issue between the PCM and the TCM,
P2C03
P2C03 indicates a malfunction in the hybrid control system, affecting the ele...
P2C04
DTC P2C04 indicates a problem with the turbocharger or supercharger boost con...
P2C05
DTC P2C05 indicates a fuel system performance issue detected by the PCM.
P2C06
DTC P2C06 indicates a problem with the transmission control system,
P2C07
P2C07 indicates a low battery voltage issue in the vehicle’s electrical system.
P2C08
P2C08 indicates a performance issue in the fuel control system,
P2C09
Indicates a transmission fluid temperature sensor range/performance problem.
P2C0A
P2C0A indicates a battery pack performance issue in hybrid vehicles.
P2C0B
P2C0B indicates a problem with your vehicle's hybrid control system related t...
P2C0C
P2C0C indicates a fuel pressure sensor circuit issue.
P2C0D
P2C0D indicates a malfunction in the vehicle's transmission control module co...
P2C0E
P2C0E indicates a communication error between the PCM and other vehicle modules.
P2C0F
P2C0F indicates a communication issue in the hybrid powertrain control module.
P2C10
P2C10 indicates a fault in the torque management system related to the PCM an...
P2C11
P2C11 signifies a fault in the hybrid battery pack temperature sensor system.
P2C12
P2C12 indicates a malfunction in the hybrid powertrain control module communi...
P2C13
DTC P2C13 indicates a malfunction in the electric power steering system,
P2C14
P2C14 indicates a malfunction in the transmission control module or its commu...
P2C15
The P2C15 code indicates a communication error between the PCM and the ECU,
P2C16
P2C16 indicates a problem with the hybrid battery management system,
P2C17
P2C17 indicates an issue with the hybrid battery current sensor,
P2C18
P2C18 indicates a communication issue within the vehicle’s control systems,
P2C19
DTC P2C19 indicates an issue with the hybrid battery temperature sensor,
P2C1A
The P2C1A code indicates a problem with the transmission range sensor signal.
P2C1B
P2C1B signifies a communication error between the PCM and hybrid battery mana...
P2C1C
The P2C1C code indicates a malfunction related to torque management in the po...
P2C1D
P2C1D indicates a malfunction in the Powertrain Control Module's performance.
P2C1E
P2C1E indicates a malfunction in the hybrid battery monitoring system.
P2C1F
P2C1F is a code indicating a communication error in the vehicle's control mod...
P2C20
P2C20 indicates a communication issue between the hybrid control module and t...
P2C21
P2C21 indicates a battery management issue in hybrid vehicles,
P2C22
DTC P2C22 indicates a fault with the hybrid battery pack voltage sensor.
P2C23
DTC P2C23 indicates a malfunction in the Powertrain Control Module.
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