B1379 – Oil Change Reset Button Circuit Short To Ground

The ODBII code B1379 indicates a malfunction in the oil change reset button circuit, specifically a short to ground, which means there is an unintended connection to the vehicle’s ground that is affecting the circuit’s operation.

The severity of ODBII code B1379 is generally considered low.

Common Causes For: B1378 Oil Change Lamp Circuit Short To Ground

• Damaged wiring or connectors
• Shorted circuit
• Faulty oil change reset button
• Corroded terminals
• Malfunctioning body control module (BCM)
• Improper installation or modifications

Common misdiagnosis for B1379 Oil Change Reset Button Circuit Short To Ground

• Faulty oil change reset button
• Wiring issues in the circuit
• Malfunctioning engine control module (ECM)
• Incorrect oil change interval settings
• Faulty oil pressure sensor
• Issues with the vehicle’s body control module (BCM)
• Problems with the instrument cluster
• Software glitches in the vehicle’s system

Common Troubleshooting Steps

The OBD-II code B1379 indicates a problem with the oil change reset button circuit, specifically a short to ground. This code can be triggered by various issues, and troubleshooting it typically involves several steps. Here are some common troubleshooting steps you can take:

• Check the Vehicle’s Manual: Refer to the vehicle’s service manual for specific information about the oil change reset button circuit and its components.
• Visual Inspection:
• Inspect the wiring and connectors associated with the oil change reset button. Look for any signs of damage, fraying, or corrosion.
• Check for any loose or disconnected wires that may be causing a short to ground.
• Test the Reset Button:
• If accessible, test the oil change reset button itself for proper operation. You can use a multimeter to check for continuity when the button is pressed.
• If the button is faulty, it may need to be replaced.
• Check for Shorts:
• Use a multimeter to check for continuity between the reset button circuit and ground. If you find continuity where there shouldn’t be any, there may be a short in the wiring.
• Inspect the wiring harness for any pinched or damaged wires that could be causing a short to ground.
• Inspect Related Components:
• Check any related components, such as fuses or relays, that may be part of the oil change reset circuit. Replace any blown fuses or faulty relays.
• Scan for Additional Codes:
• Use an OBD-II scanner to check for any additional trouble codes that may provide more context for the issue. Address any other codes that may be present.
• Clear the Code:
• After performing the above checks and repairs, clear the trouble code using an OBD-II scanner and see if it returns after a test drive.
• Consult a Professional:
• If you are unable to identify or resolve the issue, it may be best to consult a professional mechanic or technician who has experience with your specific vehicle make and model. By following these steps, you should be able to diagnose and potentially resolve the issue related to the B1379 code. Always ensure safety precautions are taken when working on a vehicle’s electrical system.