2CarPros - Car Questions & Answers

1994 Cadillac STS Repair Question


Topics covered: Alternator, Battery, Voltage regulator.
Mileage: 150,000 miles.

Asked on January 3, 2012

Need info re: dash voltage

Voltage readout on dash 10v-diminishing to low voltage warning. IO41 code set sometimes. Voltage taken at same time from battery and lighter is 14.5-13.5 normal

Avatar Asked by hammerman

Answer

Replied on January 3, 2012

Could be an issue with the computer controlled of the alternator-its like a built-in voltage regulator that is malfunctioning-Double check

Tiny Answered by rasmataz
68 questions asked