FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Bus Bias Level Too High

SYMPTOM LIST
* BUS BIAS LEVEL TOO HIGH

TEST NOTE All symptoms listed above are diagnosed using the same tests. The title for the tests will be * BUS BIAS LEVEL TOO HIGH.

POSSIBLE CAUSES
- CCD bus (+) CKT (s)-PSHT/GND
- CCD bus (+) CKT(s)- PSHT/volt
- CCD bus (-) CKT (s)-PSHT/GND
- CCD bus (-) CKT (s)- PSHT/volt
- CCD IC bus bias high/low
- CCD PCM bias high/low
- CCD cab bias high/low
- CCD airbag control module bias high/low
- CCD skim bias high/low
- CCD TCM bias high/low
- Defective BCM-bus too high/low