B1379 – OBD-II DTC

OBD-II DTC B1379 – Oil Change Reset Button Circuit Short To Ground

DTC B1379 meaning

DTC B1379 refers to a fault in the Oil Change Reset Button Circuit, indicating a short to ground condition. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for proper operation. A short to ground means that the circuit is unintentionally connected to the vehicle’s chassis, causing incorrect signals to be sent to the engine control module (ECM).

DTC B1379 symptoms

Common symptoms associated with DTC B1379 may include:

• Illumination of the check engine light
• Inability to reset the oil change indicator
• Potential issues with other dashboard warning lights
• Erratic behavior of the oil change reminder system

DTC B1379 causes

Several factors can lead to the occurrence of DTC B1379, including:

• Faulty oil change reset button
• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the circuit
• Short circuits in the wiring harness
• Faulty engine control module (ECM)

DTC B1379 seriousness

The seriousness of DTC B1379 can vary. While it may not directly affect vehicle performance, it can lead to confusion regarding oil change intervals and maintenance. Ignoring this code may result in missed oil changes, which can lead to engine wear and potential damage over time.

How to diagnose DTC B1379

To diagnose DTC B1379, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the oil change reset button for physical damage.
3. Check the wiring and connectors for signs of wear, corrosion, or damage.
4. Test the continuity of the circuit to ensure there are no shorts to ground.
5. Examine the ECM for any related fault codes or issues.

How to fix DTC B1379 step-by-step instructions

To fix DTC B1379, follow these steps:

1. Repair or replace any damaged wiring or connectors found during diagnosis.
2. Replace the faulty oil change reset button if necessary.
3. Ensure all connections are clean and secure to prevent future issues.
4. Clear the DTC using an OBD-II scanner.
5. Perform a test drive to verify that the code does not return.

How to erase DTC B1379

To erase DTC B1379, you can follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the DTC.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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