How to repair a fuel pump control module code?
How to repair a fuel pump control module code?
Fuel Pump Control Module harness is open or shorted Fuel Pump Control Module circuit poor electrical connection How is the U0109 GMC code repair? Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors.
What are the symptoms of an engine code u0109?
Symptoms of a U0109 engine code may include: Malfunction Indicator Light (MIL) On. Vehicle will crank but not run. If the engine does run: Hesitation; Lack of power; Poor performance; Misfiring cylinders (runs rough)
Why is the gpcm not communicating with the u0109 code?
If unable to communicate with the GPCM module, then the U0109 code that the other modules are setting is active, and the problem is there now. The most common failure is loss of power or ground. Check all fuses that power up the FPCM module on this vehicle. Check all grounds for the FPCM module.
What was the problem with the silveradosierra u0109?
Hard cranking, no start condition, etc. After a few months of the intermittent issue I finally got it to throw a code and it was the U0109 – “Lost Communication With Fuel Pump Control Module” I know there is a TSB on it to check connections on the passenger side of the trans as well as the actual FSCM module above the spare tire.
Fuel Pump Control Module harness is open or shorted Fuel Pump Control Module circuit poor electrical connection How is the U0109 GMC code repair? Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors.
How to check for a GMC code u0109?
Start by checking 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. What does this mean? The cost to diagnose the U0109 GMC code is 1.0 hour of labor.
Hard cranking, no start condition, etc. After a few months of the intermittent issue I finally got it to throw a code and it was the U0109 – “Lost Communication With Fuel Pump Control Module” I know there is a TSB on it to check connections on the passenger side of the trans as well as the actual FSCM module above the spare tire.
What happens if you misdiagnose the u0109 fault code?
Misdiagnosis has been known to occur if you diagnose the U0109 code before any of the basic codes have been thoroughly diagnosed and dismissed. If your scan tool can access fault codes and the only one you get from other modules is the U0109, try to communicate with the FPCM module.
