Conditions for Setting the DTC

DTC B3950 01 

The BCM detects a short to voltage in the left rear turn signal control circuit.

DTC B3950 02 and B3950 04

• The BCM detects a short to ground or 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.

DTC B3951 01 

The BCM detects a short to voltage in the right rear turn signal control circuit.

DTC B3951 02 and B3951 04

• The BCM detects a short to ground or 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.