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P1500/P1628

Read the instructions below then start the fault diagnostic procedure.

Symptom: Since incorrect battery voltage usually causes trouble in other system functions, the diagnostic trouble codes are for the most part generated together with other diagnostic trouble codes.

P1500 / P1628

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


Fault symptom

Since incorrect battery voltage usually causes trouble in other system functions, the diagnostic trouble codes are for the most part generated together with other diagnostic trouble codes.

Condition

Voltage higher than 16 V (independent of time) or lower than 10 V for at least three seconds after starting.