B0189
Sunload Sensor 2 Circuit Performance
B0189 is an OBD-II diagnostic trouble code meaning: Sunload Sensor 2 Circuit Performance. Common causes: solar load sensor 2 fault, open or short circuit in wiring harness. Estimated repair cost: $33–111.
Symptoms
- Incorrect operation of climate control
- The automatic system does not take into account solar load
- The check engine light or other warning sign comes on
Causes
- Solar load sensor 2 fault
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Climate control module malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect connectors for corrosion or damage
- Test the sensor with a multimeter to ensure it meets the specifications
- Replace sensor if necessary
- Reset the error and check the system operation
Related codes
Error B0189 by Vehicle Brand
FAQ
What does the B0189 code mean?
B0189 is an OBD-II diagnostic trouble code that indicates: Sunload Sensor 2 Circuit Performance
What causes a B0189 error code?
The most common causes of B0189 include: Solar load sensor 2 fault; Open or short circuit in wiring harness; Poor contact in the sensor connector; Climate control module malfunction.
How do I fix a B0189 diagnostic trouble code?
To fix B0189: Check the integrity of the wiring harness to the sensor. Inspect connectors for corrosion or damage. Test the sensor with a multimeter to ensure it meets the specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0189?
Limited driving only, diagnose soon
How much does it cost to fix B0189?
The estimated repair cost for B0189 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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