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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 470 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2508 or B2509 (Rear Seat) >> DTC Descriptors

DTC Descriptors

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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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