Possible causes

– Faulty Fuel Pump Drive Module (FPDM)
– FPDM harness is open or shorted
– FPDM circuit poor electrical connection
– Faulty Powertrain Control Module (PCM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1235 Description

The P1235 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). The FPDM sends a message to the PCM through the FPM circuit, indicating this failure was detected. The PCM sets the DTC when the message is received.

P1235 Information for specific makes

P1235 FORD