B1388 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1388 – Oil Temperature Sensor Circuit Short To Battery

 

B1388 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1388 Possible Causes

 

Faulty Oil Temperature Sensor,Oil Temperature Sensor harness is open or shorted,Oil Temperature Sensor circuit poor electrical connection,Faulty Powertrain Control Module (PCM)

 

B1388 Description

 

The Powertrain Control Module (PCM) monitors the Oil Temperature Sensor. The PCM sets the OBDII code when the Oil Temperature Sensor is not to factory specifications.