Oil Temperature Sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)
|How to Fix the B1388 Code?
Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the B1388 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|What are B1388 code possible symptoms?
Engine Light ON (or Service Engine Soon Warning Light)
|What Does the B1388 Code Mean?
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.