Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
DTC B3950 01 and B3950 04
- The BCM detects an open/high resistance in the left rear turn signal control circuit.
- The BCM detects an open/high resistance in the left rear turn signal ground circuit.
- The BCM detects a short to ground or an open/high resistance in the F5DA (BCM 5) fuse B+ circuit.
DTC B3950 02
The BCM detects a short to ground in the left rear turn signal control circuit.
DTC B3951 01 and B3951 04
- The BCM detects an open/high resistance in the right rear turn signal control circuit.
- The BCM detects an open/high resistance in the right rear turn signal ground circuit.
- The BCM detects a short to ground or an open/high resistance in the F7DA (BCM 7) fuse B+ circuit.
DTC B3951 02
The BCM detects a short to ground in the right rear turn signal control circuit.