B0189

Sunload Sensor 2 Circuit Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

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

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