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
Complete Engine Codes Index
Browse all available engine diagnostic trouble codes (P0XXX) organized by system:
Showing codes 1201-1300 of 4123 total codes
P04XX Engine Control System
P04B0
P04B0 indicates a problem with the oil separator's performance in the engine.
P04B1
P04B1 signifies an issue with excessive oil flow in the positive crankcase ve...
P04B2
P04B2 indicates a problem with the crankcase ventilation system,
P04B3
DTC P04B3 indicates an issue with the oil separator system in the vehicle's c...
P04B4
DTC P04B4 indicates a malfunction in the PCV heater circuit, affecting engine...
P04B5
DTC P04B5 indicates a problem with the positive crankcase ventilation system,...
P04B6
DTC P04B6 refers to a malfunction in the Positive Crankcase Ventilation syste...
P04B7
P04B7 denotes a performance issue in the crankcase ventilation system.
P04B8
DTC P04B8 indicates a malfunction in the oil separator of your vehicle's PCV ...
P04B9
P04B9 indicates a problem with the Positive Crankcase Ventilation system,
P04BA
P04BA indicates a malfunction in the crankcase ventilation system.
P04BB
P04BB signifies a crankcase ventilation system performance issue.
P04BC
P04BC refers to an engine oil separator performance issue, indicating that th...
P04BD
P04BD indicates a problem with the crankcase ventilation system's performance.
P04BE
Indicates the vehicle's engine control module (ECM) has detected a performanc...
P04BF
P04BF indicates a malfunction in the crankcase pressure control system.
P04C0
DTC P04C0 indicates an issue with the crankcase ventilation system.
P04C1
P04C1 indicates a problem with the crankcase ventilation system,
P04C2
DTC P04C2 signifies a crankcase ventilation system performance issue.
P04C3
DTC P04C3 indicates a malfunction in the Crankcase Ventilation Flow Sensor.
P04C4
DTC P04C4 refers to an issue in the Positive Crankcase Ventilation system,
P04C5
DTC code P04C5 indicates a malfunction within the Positive Crankcase Ventilat...
P04C6
P04C6 indicates a malfunction in the positive crankcase ventilation system,
P04C7
P04C7 indicates a malfunction in the crankcase ventilation control valve.
P04C8
DTC P04C8 signifies a malfunction in the oil separator system,
P04C9
DTC P04C9 signifies a crankcase ventilation system performance issue.
P04CA
P04CA indicates a malfunction in the oil separator system, affecting engine p...
P04CB
DTC P04CB indicates a malfunction in the crankcase ventilation system,
P04CC
DTC P04CC indicates an issue with the crankcase ventilation system,
P04CD
P04CD indicates a crankcase ventilation issue that can lead to engine perform...
P04CE
P04CE indicates a problem with the Positive Crankcase Ventilation system's pe...
P04CF
P04CF indicates a crankcase ventilation system performance issue,
P04D0
P04D0 indicates a malfunction in the Positive Crankcase Ventilation (PCV) sys...
P04D1
P04D1 indicates a problem with the crankcase ventilation system's performance.
P04D2
P04D2 indicates a malfunction in the crankcase ventilation system.
P04D3
P04D3 indicates a malfunction in the oil separator valve, affecting engine pe...
P04D4
DTC P04D4 indicates a problem with the positive crankcase ventilation system ...
P04D5
P04D5 refers to a malfunction in the oil separator performance,
P04D6
DTC P04D6 signifies an issue with the crankcase ventilation system related to...
P04D7
P04D7 indicates a malfunction in the Positive Crankcase Ventilation (PCV) sys...
P04D8
P04D8 indicates a problem with the positive crankcase ventilation system.
P04D9
P04D9 signifies an oil separator malfunction in the crankcase ventilation sys...
P04DA
P04DA indicates a malfunction in the crankcase ventilation system,
P04DB
P04DB signifies an issue with the oil separator system in your engine,
P04DC
P04DC indicates a crankcase ventilation system performance issue,
P04DD
P04DD indicates a malfunction in the positive crankcase ventilation system,
P04DE
P04DE indicates an issue with the oil separator in the PCV system.
P04DF
P04DF indicates excessive crankcase pressure, affecting engine performance.
P04E0
P04E0 indicates a malfunction in the Positive Crankcase Ventilation system,
P04E1
P04E1 indicates a malfunction in the oil separator within the PCV system.
P04E2
Indicates a specific issue related to the positive crankcase ventilation (PCV...
P04E3
P04E3 indicates a malfunction in the crankcase pressure sensor,
P04E4
P04E4 indicates a problem with the oil separator's performance in the PCV sys...
P04E5
P04E5 indicates a malfunction in the oil separator system, impacting performa...
P04E6
P04E6 indicates a performance issue in the crankcase ventilation system.
P04E7
Indicates there is an issue with the PCV valve, the associated hoses,
P04E8
P04E8 indicates a performance issue with the oil separator in the PCV system.
P04E9
P04E9 means there is an issue with the oil separator system in your vehicle.
P04EA
The diagnostic trouble code (DTC) P04EA pertains to a specific issue related ...
P04EB
The P04EB code signifies a problem with the crankcase ventilation system,
P04EC
P04EC indicates a malfunction in the crankcase ventilation system.
P04ED
Indicates a problem with the oil separator system in vehicles,
P04EE
P04EE indicates a problem with the Positive Crankcase Ventilation system,
P04EF
Indicates an issue with the oil separator performance in your vehicle's engine.
P04F0
DTC P04F0 indicates a crankcase ventilation system performance issue.
P04F1
P04F1 signifies a crankcase ventilation system malfunction.
P04F2
The P04F2 code indicates excessive pressure in the crankcase ventilation syst...
P04F3
DTC P04F3 signifies a malfunction in the crankcase ventilation system.
P04F4
P04F4 refers to a crankcase ventilation system performance issue.
P04F5
DTC P04F5 indicates a malfunction in the Positive Crankcase Ventilation syste...
P04F6
DTC P04F6 refers to an issue with the positive crankcase ventilation system,
P04F7
P04F7 signifies a performance issue with the Positive Crankcase Ventilation (...
P04F8
P04F8 refers to an oil separator performance issue in your vehicle.
P04F9
DTC P04F9 indicates a problem with the crankcase ventilation system's perform...
P04FA
P04FA indicates a crankcase ventilation system performance issue.
P04FB
Indicates an issue with the positive crankcase ventilation (PCV) system,
P04FC
P04FC indicates a crankcase ventilation system malfunction, often linked to P...
P04FD
The P04FD diagnostic trouble code (DTC) indicates a problem with the oil sepa...
P04FE
DTC P04FE indicates a malfunction in the crankcase ventilation system.
P04FF
Indicates a problem with the oil separator system within your vehicle's engine.
P05XX Engine Control System
P0500
The P0500 code indicates a malfunction in the vehicle speed sensor,
P0501
P0501 indicates a problem with the vehicle speed sensor's performance or range.
P0502
P0502 means there's a low input signal from your vehicle's speed sensor.
P0503
The P0503 code indicates a problem with the vehicle speed sensor circuit.
P0504
P0504 indicates a problem with the brake light switch circuit.
P0505
DTC P0505 signifies a malfunction in the Idle Air Control system,
P0506
DTC P0506 indicates an issue with the idle air control system where the RPM i...
P0507
DTC P0507 indicates your engine is idling too high.
P0508
The P0508 code indicates a low input issue in the Idle Air Control circuit.
P0509
DTC P0509 indicates a low voltage issue in the idle air control circuit,
P050A
P050A indicates a malfunction in the idle air control system, affecting engin...
P050B
P050B indicates a problem with the coolant temperature sensor circuit,
P050C
P050C indicates a problem with the Cold Start Idle Air Control System,
P050D
Indicates an issue with the Cold Start Ignition Timing Performance.
P050E
The P050E code signifies a malfunction in the evaporative emission control sy...
P050F
The P050F code signifies a malfunction in the engine's idle control system,
P0510
P0510 means there's an issue with the engine coolant temperature sensor circuit.
P0511
The P0511 code indicates a problem with the intake air temperature sensor cir...
P0512
The P0512 code indicates a problem with the battery temperature sensor circuit.
P0513
P0513 indicates a fault in the Idle Air Control System, affecting engine idle...
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