Conditions for Setting the DTCs
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions will cause these DTCs to set:
B3715
The signal circuit of the windshield wiper motor park switch has not transition from a high to low state when the windshield wiper motor was commanded on.
B3717 or B3719
The BCM detects a low voltage level or open on the supply circuit of the wiper 1 relay when the relay is energized.
B3718
The BCM detects a high voltage level on the supply circuit of the wiper 1 relay when the relay is energized.