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
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P Codes

Code Type System System Name Module Message
P1239 P-Code Powertrain Speed Fuel Pump Positive Feed Fault Engine Control Module Speed Fuel Pump Positive Feed Fault
P1240 P-Code Powertrain Sensor Power Supply Malfunction Engine Control Module Sensor Power Supply Malfunction
P1241 P-Code Powertrain Sensor Power Supply Low Input Engine Control Module Sensor Power Supply Low Input
P1242 P-Code Powertrain Sensor Power Supply High Input Engine Control Module Sensor Power Supply High Input
P1243 P-Code Powertrain Second Fuel Pump Faulty or Ground Fault Engine Control Module Second Fuel Pump Faulty or Ground Fault
P1244 P-Code Powertrain Alternator Load Input Failed High Engine Control Module Alternator Load Input Failed High
P1245 P-Code Powertrain Alternator Load Input Failed Low Engine Control Module Alternator Load Input Failed Low
P1246 P-Code Powertrain Alternator Load Input Failed Engine Control Module Alternator Load Input Failed
P1247 P-Code Powertrain Turbo Boost Pressure Low Engine Control Module Turbo Boost Pressure Low
P1248 P-Code Powertrain Turbo Boost Pressure Not Detected Engine Control Module Turbo Boost Pressure Not Detected
P1249 P-Code Powertrain Wastegate Control Valve Performance Engine Control Module Wastegate Control Valve Performance
P1250 P-Code Powertrain PRC Solenoid Circuit Malfunction Engine Control Module PRC Solenoid Circuit Malfunction
P1251 P-Code Powertrain Air Mixture Solenoid Circuit Malfunction Engine Control Module Air Mixture Solenoid Circuit Malfunction
P1252 P-Code Powertrain Pedal Correlation PDS1 and LPDS High Engine Control Module Pedal Correlation PDS1 and LPDS High
P1253 P-Code Powertrain Pedal Correlation PDS1 and LPDS Low Engine Control Module Pedal Correlation PDS1 and LPDS Low
P1254 P-Code Powertrain Pedal Correlation PDS2 and LPDS High Engine Control Module Pedal Correlation PDS2 and LPDS High
P1255 P-Code Powertrain Pedal Correlation PDS2 and LPDS Low Engine Control Module Pedal Correlation PDS2 and LPDS Low
P1256 P-Code Powertrain Pedal Correlation PDS1 and HPDS Engine Control Module Pedal Correlation PDS1 and HPDS
P1257 P-Code Powertrain Pedal Correlation PDS2 and HPDS Engine Control Module Pedal Correlation PDS2 and HPDS
P1258 P-Code Powertrain Pedal Correlation PDS1 and PDS2 Engine Control Module Pedal Correlation PDS1 and PDS2