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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B3810: Headlamp Washer Relay Circuit Short to Ground >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ - 1 - -
Headlamp Washer Relay Control B3810 02 1 2 -
Headlamp Washer Coil Ground - 1 - -
Headlamp Washer Pump Control 1 1 2 -
Headlamp Washer Pump Ground - 1 - -
1. Headlamp Washer Inoperative
2. Headlamp Washers Always ON