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ISM, ISMe, and QSM11 – Alternator Overcharging

Symptom Tree  t014

This is symptom tree t014
Cause Correction

Voltage regulator is malfunctioning

Check the voltage regulator. Replace the voltage regulator, if necessary. Refer to the OEM service manual.
 

Battery cell is damaged (open circuit)

Check the condition of the batteries. Replace the batteries, if necessary. Refer to the OEM service manual.
 
Last Modified:  18-Dec-2003
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