P048C Code: Meaning, Causes, and Symptoms | OBD2 Codes

P048C – Exhaust Pressure Control Valve Position Sensor/Switch Circuit Range/Performance

 

P048C Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P048C Possible Causes

 

Faulty Exhaust Pressure Control Valve Position Sensor/Switch,Exhaust Pressure Control Valve Position Sensor/Switch harness is open or shorted,Exhaust Pressure Control Valve Position Sensor/Switch circuit poor electrical connection

 

P048C Description

 

The Powertrain Control Module (PCM) monitors the Exhaust Pressure Control Valve Position Sensor. The PCM sets the OBDII code when the Exhaust Pressure Control Valve Position Sensor is not to factory specifications.