DTC U0109: Lost Communication With Fuel Pump Control Module
WARNING: This page is about a different variant/trim than selected.
U0109 - LOST COMMUNICATION WITH FUEL PUMP CONTROL MODULE
| Description: If the FPM circuit is fixed at a low or high voltage, the PCM begins to increment a counter. The test fails when the PCM is still not detecting a duty cycled signal on the FPM circuit after a calibrated amount of time. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST KC . | ||