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Engine-Codes.com | All About OBDII Engine Codes

P1237 Ford

P1237 Ford - Fuel Pump Secondary Circuit Fault

P1237 Ford Comments |  Add Comment
Possible causes
- Faulty Fuel Pump Driver Module (FPDM)
- Fuel Pump Driver Module (FPDM) harness is open or shorted
- Fuel Pump Driver Module (FPDM) circuit poor electrical connection
- Faulty fuel pump

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Tech notes
Note: For LS6/LS8 and Thunderbird, the FPDM functions are incorporated in the Rear Electronics Module (REM). Also, the REM does not use an FPM circuit. Diagnostic information is sent on the communication link.
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When is the code detected?
Fuel pump driver module has detected a fault in the fuel pump secondary circuit
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not start
P1237 Ford Description

Fuel Pump Driver Modules (FPDM) controls the voltage to the Fuel Pump in order to maintain proper fuel pressure over the full operating range of the engine.

P1237 Ford Information for specific Ford models
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FORD Technical Service Bulletins for P1237 code
2004 FORD EXPLORER Electrical System Details
2000 FORD FOCUS Unknown Or Other Details
2000 FORD TAURUS Power Train:automatic Transmission Details
2001 FORD FOCUS Unknown Or Other Details
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