B1381 – Oil Change Reset Button Circuit Open
The ODBII code B1381 indicates a malfunction in the oil change reset button circuit, specifically that the circuit is open, meaning there is a break or disconnection in the wiring or components related to the oil change reset function.
The severity of ODBII code B1381 is generally considered low.
Common Causes For: B1380 Oil Change Reset Button Circuit Failure
- Faulty oil change reset button
- Damaged wiring or connectors
- Poor ground connection
- Malfunctioning body control module (BCM)
- Corroded terminals
- Open circuit in the reset button circuit
- Software issues in the vehicle’s computer system
Common misdiagnosis for B1381 Oil Change Reset Button Circuit Open
- Faulty oil change reset button
- Wiring issues in the circuit
- Malfunctioning engine control module (ECM)
- Incorrect oil level or quality
- Faulty oil pressure sensor
- Issues with the instrument cluster
- Problems with the vehicle’s body control module (BCM)
Common Troubleshooting Steps
The OBD-II code B1381 indicates an issue with the oil change reset button circuit, specifically that the circuit is open. This can be related to the oil change reminder system in your vehicle. Here are some common troubleshooting steps to diagnose and potentially resolve the issue:
- Check the Owner’s Manual: Refer to your vehicle’s owner’s manual for specific information about the oil change reset button and its circuit. This can provide insights into the location of components and wiring diagrams.
- Inspect the Reset Button: Locate the oil change reset button and visually inspect it for any signs of damage, corrosion, or disconnection. Ensure that the button is functioning properly.
- Check Wiring and Connectors: Inspect the wiring harness and connectors associated with the oil change reset button. Look for frayed wires, loose connections, or corrosion that could cause an open circuit.
- Test the Button: Use a multimeter to test the continuity of the reset button. If the button is faulty, it may need to be replaced.
- Check for Short Circuits: Inspect the circuit for any short circuits that could be affecting the operation of the reset button. This includes checking for any damaged insulation on wires.
- Scan for Additional Codes: Use an OBD-II scanner to check for any additional trouble codes that may be present. Other codes could provide more context for the issue.
- Inspect the Body Control Module (BCM): The oil change reset button may be controlled by the BCM. Check for any faults in the BCM or related software issues.
- Clear the Code: After performing any repairs or inspections, clear the trouble code using an OBD-II scanner and see if it returns after a test drive.
- Consult a Professional: If the issue persists after performing these steps, it may be best to consult a professional mechanic or technician who can perform more advanced diagnostics.
- Check for Technical Service Bulletins (TSBs): Research if there are any TSBs related to your vehicle’s make and model that address the B1381 code or oil change reset button issues. By following these steps, you should be able to identify and potentially resolve the issue related to the B1381 code.