P1237 MERCURY - Fuel Pump Secondary Circuit Fault
P1237 MERCURY 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
How do I fix code P1237 MERCURYCheck the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1237 MERCURY code
Labor: 1.0The cost of diagnosing the P1237 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected?Fuel pump driver module has detected a fault in the fuel pump secondary circuit
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not start
P1237 Mercury DescriptionFuel 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. The P1237 code indicates the FPDM detected a fuel pump secondary circuit concern. The FPDM sends a message to the Powertrain Control Module (PCM) through the Fuel Pump Monitor (FPM) circuit indicating this concern was detected. The PCM sets the DTC when the message is received.
P1237 MERCURY More InformationNeed more information on how to fix the P1237 MERCURY code?
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Need more help?Get the P1237 Mercury code diagnosed by a professional: Find a repair shop in your area
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