OBD-II DTC B1383 – Oil Level Lamp Circuit Short To Battery
DTC B1383 meaning
DTC B1383 refers to a diagnostic trouble code indicating a short circuit in the oil level lamp circuit to battery voltage. This code is triggered when the vehicle’s onboard diagnostic system detects that the oil level lamp circuit is receiving an unexpected voltage level, suggesting a potential wiring issue or a malfunctioning component.
DTC B1383 symptoms
Common symptoms associated with DTC B1383 may include:
- Oil level warning light illuminated on the dashboard
- Inaccurate oil level readings
- Possible engine performance issues due to low oil levels
- No other significant symptoms in some cases
DTC B1383 causes
Several factors can lead to the occurrence of DTC B1383, including:
- Short circuit in the wiring harness of the oil level lamp
- Faulty oil level sensor
- Corroded or damaged connectors
- Issues with the vehicle’s body control module (BCM)
- Incorrect installation or replacement of components
DTC B1383 seriousness
The seriousness of DTC B1383 can vary. While it may not immediately affect vehicle drivability, it can lead to serious engine damage if the oil level is not monitored correctly. Ignoring this code can result in:
- Potential engine overheating
- Increased wear and tear on engine components
- Complete engine failure in severe cases
How to diagnose DTC B1383
To diagnose DTC B1383, follow these steps:
- Use an OBD-II scanner to confirm the presence of the code.
- Inspect the oil level lamp circuit for visible damage or corrosion.
- Check the oil level sensor for proper operation.
- Test the wiring harness for continuity and shorts to battery voltage.
- Examine the body control module for any faults or issues.
How to fix DTC B1383 step-by-step instructions
To fix DTC B1383, follow these step-by-step instructions:
- Disconnect the vehicle’s battery to ensure safety.
- Inspect and repair any damaged wiring or connectors in the oil level lamp circuit.
- Replace the oil level sensor if it is found to be faulty.
- Reconnect the battery and clear the DTC using an OBD-II scanner.
- Start the vehicle and monitor for the return of the code or any warning lights.
How to erase DTC B1383
To erase DTC B1383, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the ignition without starting the engine.
- Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
- Confirm the action to clear the trouble codes.
- Disconnect the scanner and start the vehicle to ensure the code does not return.
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.