Conditions for Setting the DTC

DTC B3948 01 and B3948 04

• The BCM detects an open/high resistance in the left front turn signal control circuit.
• The BCM detects an open/high resistance in the left front 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 B3948 02 

The BCM detects a short to ground in the left front turn signal control circuit.

DTC B3949 01 and B3949 04

• The BCM detects an open/high resistance in the right front turn signal control circuit.
• The BCM detects an open/high resistance in the right front 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 B3949 02 

The BCM detects a short to ground in the right front turn signal control circuit.