Volvo All Engines (2013 Emissions) Fault Code: P066800 PID: ACM PCM/ECM/TCM Internal Temperature Sensor “A”

Volvo All Engines (2013 Emissions) Fault Code: P066800 PID: ACM PCM/ECM/TCM Internal Temperature Sensor “A”

ACM temperature too high

Conditions for diagnostic trouble code (DTC):
1) Internal fault in electronic control unit (ECU)

Probable cause
1) Aftertreatment Control Module (ACM)