Diagnostic Test
- CHECK FOR ANY SERVICE BULLETINS OR PCM SOFTWARE UPDATES
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
Are there any applicable Service Bulletins or Flash updates?
Yes
- Perform the applicable repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 2
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
NOTE:It may be necessary to allow the engine to idle for a few minutes before fault will set if there is a mechanical or electrical issue causing the fault.
Did the DTC return?
Yes
- Go To 3
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR A MECHANICAL DRAW OR POOR ELECTRICAL CONNECTION ISSUE NOTE:
Anything that can cause excessive current draw can cause the FPCM to eventually overheat and shut down.
- Check the wiring and connectors at the FPCM and PCM for signs of spread terminal or corrosion that can cause an excessive electrical load on the FPCM.
- Check for a high mechanical draw due to a faulty Fuel Pump Assembly or severely restricted filter.
Were any problems found?
Yes
- Perform the appropriate repair and retest system for a fault before considering replacing the Fuel Pump Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the Fuel Pump Control Module in accordance with the Service Information. Refer to MODULE, FUEL PUMP, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .