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.
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.