U151A
Body Control Module Lost Communication With Rain Sensor / Rain/Ambient Light Sensor Module / Rain Sensor Module On LIN Bus
U151A is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Rain Sensor / Rain/Ambient Light Sensor Module / Rain Sensor Module On LIN Bus. Common causes: rain/light sensor malfunction, broken or damaged lin bus wires. Estimated repair cost: $33–111.
Symptoms
- Automatic wipers don't work
- Automatic headlights don't work
- Check Engine Light Is On
- Errors in other LIN bus systems
Causes
- Rain/light sensor malfunction
- Broken or damaged LIN bus wires
- Short circuit in the sensor circuit
- Poor contact in connectors
- Body Module (BCM) Malfunction
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the power supply and ground of the sensor
- Check the signal on the LIN bus
- Replace rain/light sensor if necessary
- Check or replace the body module (BCM) if necessary
Related codes
FAQ
What does the U151A code mean?
U151A is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Rain Sensor / Rain/Ambient Light Sensor Module / Rain Sensor Module On LIN Bus
What causes a U151A error code?
The most common causes of U151A include: Rain/light sensor malfunction; Broken or damaged LIN bus wires; Short circuit in the sensor circuit; Poor contact in connectors.
How do I fix a U151A diagnostic trouble code?
To fix U151A: Check the integrity of the sensor wiring and connectors. Check the power supply and ground of the sensor. Check the signal on the LIN bus. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U151A?
Yes, but get it checked soon
How much does it cost to fix U151A?
The estimated repair cost for U151A is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat