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 11701-11800 of 12293 total codes

P2DXX Engine Control System

P2DB4
P2DB4 indicates a fault in the hybrid battery management system.
P2DB5
P2DB5 indicates a hybrid battery management system fault, usually due to volt...
P2DB6
P2DB6 indicates a malfunction in the electric parking brake system,
P2DB7
P2DB7 indicates a malfunction in the hybrid battery management system.
P2DB8
DTC P2DB8 signifies issues related to the hybrid battery monitoring system.
P2DB9
P2DB9 indicates a problem with the hybrid powertrain control module,
P2DBA
The P2DBA code indicates a malfunction in the battery management system of yo...
P2DBB
DTC P2DBB signifies a transmission fluid temperature sensor issue,
P2DBC
DTC P2DBC indicates a battery management system issue affecting vehicle voltage.
P2DBD
P2DBD indicates an issue with the hybrid battery management system,
P2DBE
The P2DBE code indicates a problem with the hybrid battery management system ...
P2DBF
P2DBF indicates a problem with your vehicle's diesel particulate filter effic...
P2DC0
P2DC0 indicates a fault in the hybrid control system, particularly related to...
P2DC1
P2DC1 indicates a hybrid battery pack issue, commonly found in Honda and Toyo...
P2DC2
DTC P2DC2 indicates a malfunction in the hybrid battery voltage sensor.
P2DC3
P2DC3 indicates a voltage imbalance in the hybrid battery pack.
P2DC4
DTC P2DC4 refers to a malfunction in the electric power steering system,
P2DC5
P2DC5 indicates a malfunction in the hybrid battery pack management system.
P2DC6
The P2DC6 code indicates a malfunction in the hybrid system's powertrain cont...
P2DC7
P2DC7 indicates a fault in the battery temperature sensor circuit,
P2DC8
The P2DC8 code indicates a malfunction in the battery management system,
P2DC9
P2DC9 indicates a Powertrain Control Module issue.
P2DCA
P2DCA indicates a fault in the hybrid battery management system,
P2DCB
P2DCB indicates a malfunction in the diesel particulate filter system,
P2DCC
P2DCC indicates a potential issue with the transmission control module commun...
P2DCD
P2DCD indicates a hybrid control system fault, often related to the hybrid ba...
P2DCE
P2DCE indicates a malfunction in the hybrid battery management system.
P2DCF
DTC P2DCF indicates a problem with the fuel tank pressure sensor or the fuel ...
P2DD0
The P2DD0 code indicates a hybrid powertrain malfunction, often related to el...
P2DD1
Indicates an issue with the hybrid battery management system, particularly re...
P2DD2
DTC P2DD2 indicates a fault in the hybrid battery charging system.
P2DD3
P2DD3 indicates a hybrid powertrain issue, specifically with electric motor p...
P2DD4
P2DD4 indicates a hybrid battery management system fault in vehicles like the...
P2DD5
The P2DD5 code is associated with hybrid battery management issues,
P2DD6
The P2DD6 diagnostic trouble code (DTC) is related to the hybrid battery mana...
P2DD7
P2DD7 indicates a hybrid battery management issue.
P2DD8
P2DD8 indicates a hybrid battery management issue.
P2DD9
DTC P2DD9 signals a malfunction in the hybrid battery control system,
P2DDA
The P2DDA code indicates a problem with the transmission control module and i...
P2DDB
P2DDB indicates a transmission control issue related to adaptive learning.
P2DDC
Indicates a problem in the hybrid system of your vehicle, particularly relati...
P2DDD
The diagnostic trouble code (DTC) P2DDD indicates a problem with the vehicle'...
P2DDE
P2DDE signifies a battery management system issue, often related to the batte...
P2DDF
DTC P2DDF refers to a performance issue with the Hybrid Powertrain Control Mo...
P2DE0
Indicates a problem with the powertrain performance, specifically related to ...
P2DE1
DTC P2DE1 indicates a hybrid battery management system malfunction.
P2DE2
P2DE2 indicates a fault in the battery management system, affecting vehicle p...
P2DE3
P2DE3 signifies an electric motor issue in hybrid vehicles.
P2DE4
P2DE4 indicates a malfunction in the hybrid powertrain control system.
P2DE5
P2DE5 indicates a hybrid system issue, often related to the inverter.
P2DE6
P2DE6 indicates a malfunction in the hybrid battery control module,
P2DE7
P2DE7 indicates a problem with the hybrid battery management system,
P2DE8
P2DE8 indicates a malfunction in the hybrid battery management system or its ...
P2DE9
DTC P2DE9 indicates a problem with the hybrid battery management system.
P2DEA
P2DEA indicates a problem with the hybrid battery management system in certai...
P2DEB
P2DEB indicates a problem with the hybrid battery management system,
P2DEC
The P2DEC code indicates a malfunction in the after-treatment fuel pressure s...
P2DED
P2DED indicates a communication problem in the engine control module affectin...
P2DEE
P2DEE indicates a fuel pump control circuit issue.
P2DEF
DTC P2DEF indicates a malfunction within the hybrid powertrain management sys...
P2DF0
DTC P2DF0 indicates a malfunction related to the diesel particulate filter (D...
P2DF1
The DTC P2DF1 code is a manufacturer-specific diagnostic trouble code that ty...
P2DF2
P2DF2 indicates a problem with the fuel rail pressure sensor circuit,
P2DF3
P2DF3 indicates a problem with the Diesel Particulate Filter, typically due t...
P2DF4
P2DF4 indicates a communication issue between the PCM and emissions system co...
P2DF5
P2DF5 indicates a fault in the powertrain control module or transmission system.
P2DF6
P2DF6 indicates a malfunction in the fuel pump control circuit.
P2DF7
DTC P2DF7 indicates an issue with diesel exhaust fluid quality.
P2DF8
DTC P2DF8 indicates a problem with the transmission fluid temperature sensor ...
P2DF9
P2DF9 indicates a fuel system malfunction in your vehicle.
P2DFA
P2DFA indicates a fault in the hybrid battery management system.
P2DFB
DTC P2DFB indicates a problem with the battery management system,
P2DFC
P2DFC indicates a problem with the Hybrid Battery Pack Voltage Sensor Circuit.
P2DFD
The P2DFD code indicates a problem with the hybrid system's regenerative brak...
P2DFE
P2DFE indicates a problem with the Diesel Particulate Filter, signifying it m...
P2DFF
DTC P2DFF signifies a fault in the hybrid powertrain control module,

P2EXX Engine Control System

P2E00
P2E00 indicates a malfunction in the hybrid battery management system related...
P2E01
P2E01 indicates a problem with the hybrid battery management system,
P2E02
P2E02 indicates a problem with the hybrid battery management system.
P2E03
DTC P2E03 indicates an issue with the hybrid battery management system,
P2E04
Indicates an issue related to the vehicle's hybrid system, specifically conce...
P2E05
The P2E05 code indicates a charging issue in the hybrid battery management sy...
P2E06
P2E06 indicates a fault in the hybrid control module related to battery or el...
P2E07
P2E07 refers to a malfunction in the hybrid battery management system,
P2E08
DTC P2E08 relates to a malfunction in the hybrid battery management system.
P2E09
DTC P2E09 indicates a problem with the hybrid battery management system,
P2E0A
P2E0A indicates a fault in the Electric Motor Control Module, affecting hybri...
P2E0B
P2E0B indicates a fuel pump control circuit issue, affecting performance.
P2E0C
P2E0C indicates a high voltage fault in the hybrid battery system.
P2E0D
DTC P2E0D refers to a fault with the hybrid battery voltage sensor range or p...
P2E0E
The P2E0E code indicates a performance issue with the Powertrain Control Modu...
P2E0F
The P2E0F code indicates a problem with the hybrid battery voltage sensor cir...
P2E10
P2E10 indicates a problem with the hybrid battery management system.
P2E11
P2E11 indicates a problem with the electric motor in the hybrid system,
P2E12
P2E12 indicates a malfunction in the hybrid battery temperature sensor circuit.
P2E13
DTC P2E13 indicates a lean air-fuel mixture issue in the vehicle's engine.
P2E14
P2E14 indicates a problem with the hybrid battery management system's voltage.
P2E15
P2E15 indicates a malfunction or communication issue with the Powertrain Cont...
P2E16
The P2E16 code relates to issues with the hybrid powertrain control module,
P2E17
P2E17 indicates a hybrid battery pack voltage imbalance, particularly in Toyo...
Page 118 of 123