Volvo All Engines (2017 Emissions) Fault Code: P056085 PID: ACM System Voltage
Volvo All Engines (2017 Emissions) Fault Code: P056085 PID: ACM System Voltage
Circuit description
Battery voltage is monitored by the circuits within the Engine Control Module (ECM).
Conditions for diagnostic trouble code (DTC)
The voltage is more than 15V
Probable cause
1) Battery charger connected
2) Alternator
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