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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1007 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2508 or B2509 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2508 01

Seat Heater Relay Circuit Shorted to Battery or Open

DTC B2508 02

Seat Heater Relay Circuit Shorted to Ground

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