Diagnostic Trouble Code Search

Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.

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DTC Code Format Guide
P Powertrain
B Body
C Chassis
U Network

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P Codes

Code Type System System Name Module Message
P1144 P-Code Powertrain Air Assist Control Valve Engine Control Module Air Assist Control Valve Circuit Malfunction
P1150 P-Code Powertrain Lack Of HO2S21 Switch – Adaptive Fuel At Limit Engine Control Module Lack Of HO2S21 Switch – Adaptive Fuel At Limit
P1151 P-Code Powertrain Lack Of HO2S21 Switch – Sensor Indicates Lean Engine Control Module Lack Of HO2S21 Switch – Sensor Indicates Lean
P1152 P-Code Powertrain Lack Of HO2S21 Switch – Sensor Indicates Rich Engine Control Module Lack Of HO2S21 Switch – Sensor Indicates Rich
P1153 P-Code Powertrain Bank 2 Fuel Control Shifted Lean Engine Control Module Bank 2 Fuel Control Shifted Lean
P1154 P-Code Powertrain Bank 2 Fuel Control Shifted Rich Engine Control Module Bank 2 Fuel Control Shifted Rich
P1155 P-Code Powertrain Alternative Fuel Controller Engine Control Module Alternative Fuel Controller
P1156 P-Code Powertrain Fuel Select Switch Engine Control Module Fuel Select Switch Malfunction
P1157 P-Code Powertrain Lack Of HO2S22 Switch – Sensor Indicates Lean Engine Control Module Lack Of HO2S22 Switch – Sensor Indicates Lean
P1158 P-Code Powertrain Lack Of HO2S22 Switch – Sensor Indicates Rich Engine Control Module Lack Of HO2S22 Switch – Sensor Indicates Rich
P1159 P-Code Powertrain Fuel Stepper Motor Engine Control Module Fuel Stepper Motor Malfunction
P1167 P-Code Powertrain Invalid Test (throttle not depressed) Engine Control Module Invalid Test,throttle not depressed
P1168 P-Code Powertrain Fuel Rail Sensor In-Range Low Failure Engine Control Module Fuel Rail Sensor In-Range Low Failure
P1169 P-Code Powertrain Fuel Rail Sensor In-Range High Failure Engine Control Module Fuel Rail Sensor In-Range High Failure
P1170 P-Code Powertrain ESO – Engine Shut Off Solenoid Fault Engine Control Module ESO – Engine Shut Off Solenoid Fault
P1171 P-Code Powertrain Rotor Sensor Fault Engine Control Module Rotor Sensor Fault
P1172 P-Code Powertrain Rotor Control Fault Engine Control Module Rotor Control Fault
P1173 P-Code Powertrain Rotor Calibration Fault Engine Control Module Rotor Calibration Fault
P1174 P-Code Powertrain Cam Sensor Fault Engine Control Module Cam Sensor Fault
P1175 P-Code Powertrain Cam Control Fault Engine Control Module Cam Control Fault