Volvo All Engines (2017 Emissions) Fault Code: P112C73 PID: EMS Engine Rear Start Switch “A” Circuit Range/Performance
Volvo All Engines (2017 Emissions) Fault Code: P112C73 PID: EMS Engine Rear Start Switch “A” Circuit Range/Performance
Conditions for diagnostic trouble code (DTC)
The function is monitored by the diagnostic system when the vehicle is being driven
Electronic control unit (ECU) connector A14.EA:55 monitors the function
Observable symptoms
Switch Stuck in closed position
Probable cause
1) Connector
2) Wiring harness
3) Open circuit electric cables
4) Engine Rear Start Switch
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