B1391 Possible Causes
- Faulty Oil Level Switch
- Oil Level Switch harness is open or shorted
- Oil Level Switch circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code B1391Check 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.
Cost of diagnosing the B1391 code
Labor: 1.0The cost of diagnosing the B1391 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B1391 MeaningThe Powertrain Control Module (PCM) monitors the Oil Level Switch. The PCM sets the OBDII code when the Oil Level Switch is not to factory specifications.
B1391 More InformationNeed more information on how to fix the B1391 code?
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