P0670 - Glow Plug Control Module (GPCM) Control Circuit/Open
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Ford RV Cutaway, 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
P0670 - GLOW PLUG CONTROL MODULE (GPCM) CONTROL CIRCUIT/OPEN
| Description: | The powertrain control module (PCM) carries out a functional key ON, engine running (KOER) self-test for the glow plug system. During that test the PCM enables the GPCM which monitors glow plug control circuit for concerns. When the GPCM detects a concern with a glow plug control circuit, it sends a message to the PCM, which sets this DTC. | |||
| Possible Causes: |
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| Diagnostic Aids: | Check the wiring harness for an open or a short circuit. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST AF . | |||