B1380 – OBD-II DTC

OBD-II DTC B1380 – Oil Change Reset Button Circuit Failure

DTC B1380 meaning

DTC B1380 refers to a fault in the Oil Change Reset Button Circuit. This code indicates that there is a malfunction in the circuit responsible for resetting the oil change indicator, which is crucial for maintaining proper vehicle maintenance schedules. The oil change reset button is typically located on the dashboard or instrument panel and is used to inform the vehicle’s onboard computer that an oil change has been performed.

DTC B1380 symptoms

Common symptoms associated with DTC B1380 may include:

• Oil change indicator light remains illuminated
• Inability to reset the oil change light
• Dashboard warning messages related to oil maintenance
• Possible engine performance issues due to improper maintenance reminders

DTC B1380 causes

Several factors can lead to the occurrence of DTC B1380, including:

• Faulty oil change reset button
• Wiring issues, such as shorts or open circuits
• Corroded or damaged connectors in the circuit
• Malfunctioning engine control module (ECM)
• Software issues within the vehicle’s onboard computer

DTC B1380 seriousness

The seriousness of DTC B1380 can vary. While it may not cause immediate engine damage, ignoring the oil change reset issue can lead to:

• Inaccurate maintenance reminders
• Potential engine wear due to missed oil changes
• Decreased vehicle performance over time

It is advisable to address this code promptly to ensure proper vehicle maintenance.

How to diagnose DTC B1380

To diagnose DTC B1380, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1380 code.
2. Inspect the oil change reset button for physical damage or wear.
3. Check the wiring and connectors associated with the reset button for any signs of corrosion or damage.
4. Test the continuity of the circuit to ensure there are no breaks.
5. Examine the engine control module (ECM) for any software updates or faults.

How to fix DTC B1380 step-by-step instructions

To fix DTC B1380, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and replace the oil change reset button if it is found to be faulty.
3. Repair or replace any damaged wiring or connectors in the circuit.
4. Reconnect the battery and use the OBD-II scanner to clear the DTC.
5. Perform a test drive to ensure the oil change indicator resets properly.

How to erase DTC B1380

To erase DTC B1380, 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 and select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to verify that the code has been cleared.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.