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

P1628




Battery voltage too high or too low/Battery voltage +30 input to control module faulty







Fault symptoms
Faulty battery voltage usually causes problems with other system functions, which is why DTCs are often generate together with other DTCs.

Conditions
Voltage greater than 16 Volts (irrelevant of time) or less than 10 Volts for at least 3 seconds after start.