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 4101-4123 of 4123 total codes
P11XX Engine Control System
P1130
The P1130 code indicates an oxygen sensor performance issue, potentially affe...
P1131
P1131 indicates an issue with the oxygen sensor signal, often leading to poor...
P1150
P1150 indicates an issue with the air-fuel mixture control, often due to a fa...
P1151
P1151 indicates a lean fuel condition detected by the oxygen sensor.
P12XX Engine Control System
P1200
The P1200 code indicates a fuel pump control circuit issue, affecting fuel de...
P1201
P1201 indicates a fuel injector control circuit range or performance problem.
P13XX Engine Control System
P1300
P1300 indicates an ignition system malfunction.
P14XX Engine Control System
P1400
DTC P1400 indicates a malfunction in the EGR system, affecting engine perform...
P1401
DTC P1401 indicates a malfunction in the EGR system related to exhaust gas flow.
P15XX Engine Control System
P1500
P1500 indicates an issue with the vehicle's idle speed control system.
P1501
P1501 means there's a problem with the Idle Air Control valve,
P20XX Engine Control System
P2000
DTC P2000 indicates an issue with the efficiency of the NOx adsorber in your ...
P21XX Engine Control System
P2100
P2100 indicates a problem with the throttle actuator control system.
P2101
The P2101 code indicates a problem with the throttle actuator control,
P23XX Engine Control System
P2300
The P2300 code indicates an issue with the ignition coil primary circuit,
P2301
DTC P2301 indicates a malfunction in the ignition coil 'A' circuit,
P25XX Engine Control System
P2500
P2500 indicates an issue with the power supply control module.
P26XX Engine Control System
P2600
The P2600 code indicates a malfunction in the engine coolant pump control cir...
P30XX Engine Control System
P3000
The P3000 code indicates a malfunction in the hybrid battery performance.
P31XX Engine Control System
P3100
P3100 indicates a malfunction in the hybrid battery control system.
P34XX Engine Control System
P3400
P3400 indicates a malfunction in the Variable Valve Timing system.
P35XX Engine Control System
P3500
P3500 indicates a variable valve timing issue in the engine control system.
P40XX Engine Control System
P4000
P4000 indicates a problem with the exhaust gas recirculation (EGR) system.
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