Volvo All Engines (2010 Emissions) Fault Code: SPN 158 FMI 16 PID: PSID 124 Keyswitch Battery Potential - Moderately Severe Level

Battery voltage is monitored by the circuits within the Engine Control Module (ECM).

Conditions for diagnostic trouble code (DTC):
1) The voltage is more than 19?V

Probable cause
1) Battery charger connected
2) Alternator

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