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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1577 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2508 or B2509 (Factory Installed) >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 Short to Battery

DTC B2508 02

Seat Heater Relay Circuit Short to Ground

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