Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Start the engine and allow it to idle.
  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.
2. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  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 2 to eventually overheat and shut down.
1. Check the wiring and connectors at the FPCM 2 and PCM for signs of spread terminal or corrosion that can cause an excessive electrical load on the FPCM 2.
2. 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 2.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Fuel Pump Control Module in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .