Gmc/chevrolet: in rare cases when ignition key is turned off the engine continues to run
GMC technical service bulletin PIT-4838 for 2009 GMC Topkick and 2007 Chevrolet T-Series.
- Bulletin number
- PIT-4838
- Component
- Engine and engine cooling: engine
- Summary
- Gmc/chevrolet: in rare cases when ignition key is turned off the engine continues to run. This could be caused by a voltage back feed through the A/C-wiper diode on kodiak/topkick t series trucks. (remove diode)
Vehicles covered
- GMC Topkick 2009 2009
- Chevrolet T-Series 2007 2007
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