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 7101-7200 of 12293 total codes

P1BXX Engine Control System

P1BBC
P1BBC indicates a control system malfunction within the vehicle's electronic ...
P1BBD
P1BBD refers to a battery management system issue in hybrid and electric vehi...
P1BBE
P1BBE indicates a communication issue between the vehicle's powertrain contro...
P1BBF
P1BBF signifies a fault in the Battery Management System.
P1BC0
P1BC0 indicates a battery management system issue, often related to voltage d...
P1BC1
Indicates a fault in the vehicle's powertrain control module (PCM) or related...
P1BC2
P1BC2 indicates a hybrid battery performance issue, primarily affecting vehic...
P1BC3
P1BC3 indicates a problem with the hybrid battery performance,
P1BC4
DTC P1BC4 indicates a fuel system issue often related to fuel pressure problems.
P1BC5
The P1BC5 code indicates a communication issue between the PCM and the batter...
P1BC6
P1BC6 indicates an issue with the Hybrid Powertrain Control Module or its com...
P1BC7
DTC P1BC7 indicates a hybrid powertrain issue, particularly with the motor co...
P1BC8
P1BC8 indicates a problem with the Battery Energy Control Module in certain h...
P1BC9
P1BC9 indicates a malfunction in the Hybrid Battery Control Module,
P1BCA
P1BCA indicates a hybrid battery performance issue, which can lead to decreas...
P1BCB
P1BCB signifies a performance issue with your vehicle's powertrain control mo...
P1BCC
P1BCC indicates a performance issue with the Powertrain Control Module.
P1BCD
P1BCD indicates a hybrid battery performance issue in vehicles like Toyota an...
P1BCE
P1BCE indicates a battery cooling system performance issue in hybrid vehicles.
P1BCF
P1BCF indicates a problem with the fuel pump control module, affecting fuel d...
P1BD0
P1BD0 indicates a malfunction within the powertrain control module's communic...
P1BD1
The P1BD1 code indicates a hybrid powertrain control module issue,
P1BD2
P1BD2 indicates a fuel pump control module issue or fuel system performance p...
P1BD3
P1BD3 indicates a hybrid battery voltage error, often seen in Toyota models.
P1BD4
P1BD4 indicates a communication issue with the hybrid powertrain control module.
P1BD5
P1BD5 indicates a hybrid battery performance issue in your vehicle.
P1BD6
DTC P1BD6 indicates a malfunction in the hybrid battery system,
P1BD7
P1BD7 indicates a hybrid battery system issue in vehicles like the Toyota Prius.
P1BD8
DTC P1BD8 indicates a problem with the Powertrain Control Module (PCM),
P1BD9
P1BD9 signifies a malfunction in the hydraulic pump of hybrid vehicles,
P1BDA
DTC P1BDA indicates a hybrid battery pack issue in vehicles like the Toyota P...
P1BDB
P1BDB indicates a low or poor performance issue with the high voltage battery...
P1BDC
P1BDC indicates a fuel delivery or engine performance issue, commonly associa...
P1BDD
P1BDD indicates a hybrid battery issue in vehicles like the Honda Accord.
P1BDE
P1BDE indicates a fault in the Battery Management System, often seen in hybri...
P1BDF
P1BDF indicates a voltage error in the hybrid battery pack, affecting vehicle...
P1BE0
P1BE0 indicates a Powertrain Control Module fault in certain Ford vehicles.
P1BE1
P1BE1 indicates a fault in the battery management system of electric vehicles.
P1BE2
DTC P1BE2 indicates a malfunction in the energy management system of hybrid/e...
P1BE3
Indicates a specific issue with the hybrid vehicle control module,
P1BE4
P1BE4 indicates a fault in the Hybrid Battery Control Module, affecting batte...
P1BE5
P1BE5 indicates a problem with the fuel pump control circuit.
P1BE6
The P1BE6 code indicates a hybrid battery pack malfunction.
P1BE7
P1BE7 indicates a fault in the hybrid battery management system,
P1BE8
P1BE8 indicates a problem with the hybrid battery management system.
P1BE9
P1BE9 indicates a transmission fluid temperature sensor circuit issue,
P1BEA
The P1BEA code indicates a problem with the hybrid power management system.
P1BEB
P1BEB indicates a hybrid battery pack failure, commonly found in Toyota models.
P1BEC
P1BEC indicates a potential issue with the powertrain control module or its c...
P1BED
P1BED indicates a fuel system issue in your vehicle.
P1BEE
P1BEE indicates a performance issue with the Battery Energy Control Module in...
P1BEF
P1BEF indicates a fault in the hybrid powertrain, affecting energy management.
P1BF0
P1BF0 indicates a communication error in the vehicle's control systems.
P1BF1
P1BF1 indicates a problem with the hybrid control system, affecting battery m...
P1BF2
P1BF2 indicates a performance issue with the Powertrain Control Module in you...
P1BF3
P1BF3 indicates a fault with the Hybrid Battery Energy Control Module in your...
P1BF4
P1BF4 indicates a problem with the hybrid battery management system.
P1BF5
P1BF5 signals a fault in the hybrid system of your vehicle, often linked to t...
P1BF6
P1BF6 indicates a malfunction in the hybrid powertrain system,
P1BF7
DTC P1BF7 indicates a fault in the hybrid battery management system.
P1BF8
P1BF8 indicates a battery energy control module issue related to the vehicle'...
P1BF9
P1BF9 indicates a problem with the hybrid battery management system.
P1BFA
P1BFA indicates a performance issue with the Battery Energy Control Module in...
P1BFB
P1BFB indicates a malfunction in the hybrid battery system, often linked to b...
P1BFC
P1BFC indicates that the hybrid battery pack's voltage is too low,
P1BFD
P1BFD indicates a fault with the Battery Energy Control Module in hybrid vehi...
P1BFE
P1BFE indicates a problem with the hybrid battery cooling fan system.
P1BFF
P1BFF indicates a malfunction in the Battery Energy Control Module,

P1CXX Engine Control System

P1C00
P1C00 indicates a problem with the Hybrid Powertrain Control Module,
P1C01
DTC P1C01 indicates a malfunction in the hybrid battery system.
P1C02
P1C02 indicates a fault in the hybrid battery management system.
P1C03
P1C03 indicates high voltage in the hybrid battery management system.
P1C04
P1C04 indicates a battery pack temperature sensor malfunction in hybrid vehic...
P1C05
DTC P1C05 indicates a malfunction in the hybrid battery cooling system,
P1C06
P1C06 indicates a problem with the hybrid battery voltage sensor's performance.
P1C07
P1C07 indicates a malfunction in the hybrid battery pack, affecting performance.
P1C08
P1C08 indicates a voltage sensor issue in hybrid vehicles, affecting battery ...
P1C09
P1C09 signifies a fault in the hybrid battery management system related to vo...
P1C0A
P1C0A indicates a problem with the Powertrain Control Module, particularly in...
P1C0B
P1C0B indicates an issue with the hybrid battery temperature sensor in your v...
P1C0C
P1C0C relates to a fault in the hybrid energy management system,
P1C0D
P1C0D indicates a hybrid battery performance issue, often related to cooling.
P1C0E
P1C0E indicates a performance issue with the Powertrain Control Module.
P1C0F
P1C0F indicates a malfunction in the electric parking brake system,
P1C10
DTC P1C10 indicates a fault in the hybrid battery management system.
P1C11
The P1C11 code indicates a malfunction in the hybrid battery management system.
P1C12
Indicates a hybrid battery pack performance issue, particularly in vehicles l...
P1C13
The P1C13 code indicates a problem with the hybrid battery voltage sensor ran...
P1C14
The Diagnostic Trouble Code (DTC) P1C14 indicates that the Hybrid Vehicle's B...
P1C15
P1C15 indicates a hybrid battery pack issue in models like the 2016-2018 Toyo...
P1C16
P1C16 indicates a hybrid battery performance issue, typically found in models...
P1C17
P1C17 indicates a fault in the hybrid battery management system,
P1C18
P1C18 indicates an electric motor control circuit performance issue.
P1C19
P1C19 indicates a fault with the battery temperature sensor in hybrid vehicles.
P1C1A
P1C1A indicates a hybrid battery pack cooling system performance issue.
P1C1B
The P1C1B code indicates an issue with the hybrid battery voltage sensor range.
P1C1C
The P1C1C code indicates a hybrid powertrain system issue, often related to b...
P1C1D
The P1C1D code indicates a malfunction in the hybrid control system affecting...
P1C1E
P1C1E indicates a performance issue with the Hybrid Powertrain Control Module...
P1C1F
DTC P1C1F indicates a battery management system malfunction in hybrid vehicles.
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