Volvo All Engines (2017 Emissions) Fault Code: P066601 PID: EMS Control Module Internal Temperature Sensor “A”
Volvo All Engines (2017 Emissions) Fault Code: P066601 PID: EMS Control Module Internal Temperature Sensor “A”
Conditions for diagnostic trouble code (DTC):
1) Internal fault in electronic control unit (ECU)
Probable cause
1) ECM – Engine Control Module
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