B1375 – OBD-II DTC

OBD-II DTC B1375 – Oil Change Lamp Circuit Open

DTC B1375 meaning

DTC B1375 refers to a diagnostic trouble code indicating an issue with the Oil Change Lamp Circuit. Specifically, it signifies that there is an open circuit in the system responsible for monitoring the oil change interval. This can prevent the oil change indicator from functioning correctly, which may lead to missed maintenance reminders.

DTC B1375 symptoms

Common symptoms associated with DTC B1375 may include:

• The oil change lamp not illuminating when it should.
• Inconsistent or incorrect oil change reminders.
• Dashboard warning lights related to oil maintenance not functioning properly.

DTC B1375 causes

Several factors can lead to the occurrence of DTC B1375, including:

• A broken or damaged wiring harness in the oil change lamp circuit.
• A faulty oil change lamp or indicator.
• Corrosion or poor connections in the circuit.
• Issues with the engine control module (ECM) or body control module (BCM).

DTC B1375 seriousness

DTC B1375 is considered a moderate issue. While it may not directly affect the vehicle’s drivability, it can lead to missed oil changes, which can result in engine damage over time. Regular oil changes are crucial for engine health, so addressing this code promptly is advisable.

How to diagnose DTC B1375

To diagnose DTC B1375, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the oil change lamp circuit for visible damage or disconnections.
3. Check the wiring and connectors for corrosion or loose connections.
4. Test the oil change lamp for proper operation.
5. Examine the ECM or BCM for any related fault codes.

How to fix DTC B1375 step-by-step instructions

To fix DTC B1375, follow these steps:

1. Repair or replace any damaged wiring or connectors in the oil change lamp circuit.
2. Replace the oil change lamp if it is found to be faulty.
3. Ensure all connections are clean and secure.
4. If necessary, reprogram or replace the ECM or BCM.
5. Clear the DTC using an OBD-II scanner and test the system to ensure the issue is resolved.

How to erase DTC B1375

To erase DTC B1375, 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 DTC menu on the scanner.
4. Select the option to clear or erase the codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and start the vehicle to verify that the code does not return.

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