P1237 Volkswagen Injector Circuit Cylinder 6 Intermittent
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
– Fuel Pump Driver Module (FPDM) harness is open or shorted
– Fuel Pump Driver Module (FPDM) circuit poor electrical connection
– Faulty fuel pump
What about the obd code?
Fuel pump driver module has detected a fault in the fuel pump secondary circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine will not start
– Engine will not start
P1237 Volkswagen 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.
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