Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2645 03
Signal circuit = Short to Ground
DTC B2645 07
- Ambient Light Sensor Signal circuit = Short to Battery or Open/High Resistance
- Ambient Light Sensor Low Reference circuit = Short to Battery or Open/High Resistance