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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 271 (Lighting System - DTC B0655 To DTC B3890) >> Diagnostic Information and Procedures >> DTC B2580: High Beam Control >> 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
Headlamp High Beam Relay Control B2580 02, B2580 04 B2580 02, B2580 04 B2580 01 -
High Beam Headlamp Control - Left 1 1 1 -
High Beam Headlamp Control - Right 1 1 1 -
Headlamp Ground - Left - 1 - -
Headlamp Ground - Right - 1 - -
1. Headlamps Malfunction