OBD-II DTC B1455 – Wiper Washer Fluid Lamp Circuit Open
DTC B1455 meaning
DTC B1455 refers to a diagnostic trouble code indicating an issue with the Wiper Washer Fluid Lamp Circuit. Specifically, it signifies that there is an open circuit in the system responsible for monitoring the washer fluid level. This code is part of the On-Board Diagnostics II (OBD-II) system, which is used to monitor various vehicle functions and components.
DTC B1455 symptoms
Common symptoms associated with DTC B1455 may include:
- The washer fluid warning light on the dashboard may be illuminated.
- The windshield washer system may not function properly.
- Inconsistent or no feedback regarding washer fluid levels.
- Possible related warning messages on the vehicle’s display.
DTC B1455 causes
Several factors can lead to the triggering of DTC B1455, including:
- A broken or damaged wire in the washer fluid lamp circuit.
- A faulty washer fluid level sensor.
- Corrosion or poor connections in the electrical connectors.
- Issues with the vehicle’s body control module (BCM).
DTC B1455 seriousness
The seriousness of DTC B1455 can vary. While it may not affect the vehicle’s drivability, it can lead to a lack of awareness regarding washer fluid levels, which is crucial for safe driving. Therefore, it is advisable to address this issue promptly to ensure proper visibility while driving.
How to diagnose DTC B1455
To diagnose DTC B1455, follow these steps:
- Use an OBD-II scanner to confirm the presence of the DTC.
- Inspect the washer fluid level sensor and its wiring for any visible damage.
- Check the electrical connections for corrosion or loose connections.
- Test the washer fluid level sensor with a multimeter to ensure it is functioning correctly.
- Examine the body control module for any faults or issues.
How to fix DTC B1455 step-by-step instructions
To fix DTC B1455, follow these steps:
- Disconnect the vehicle’s battery to ensure safety while working on electrical components.
- Inspect and repair any damaged wiring in the washer fluid lamp circuit.
- Replace the washer fluid level sensor if it is found to be faulty.
- Clean any corroded connections and ensure all connectors are secure.
- Reconnect the battery and clear the DTC using an OBD-II scanner.
- Test the washer fluid system to ensure it is functioning properly.
How to erase DTC B1455
To erase DTC B1455, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the vehicle’s ignition without starting the engine.
- Navigate to the DTC menu on the scanner and select the option to clear or erase codes.
- Confirm the action and wait for the scanner to complete the process.
- Disconnect the scanner and start the vehicle to ensure the code does not reappear.
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.