Diagnostic Code Index

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.

DIAGNOSTIC CODE INDEX

DTC	Description
DTC B1925 or B2170 (Factory Installed)	B1925 02: Left Seat Heater Sensor Circuit Short to Ground B1925 05: Left Seat Heater Sensor Circuit Short to Battery or Open B2170 02: Right Seat Heater Cushion Sensor Circuit Short to Ground B2170 05: Right Seat Heater Cushion Sensor Circuit Short to Battery or Open
DTC B1925 or B2170 (Dealer Installed)	B1925 02: Left Seat Heater Cushion Sensor Circuit Shorted to Ground B1925 05: Left Seat Heater Cushion Sensor Circuit Shorted to Battery or Open B2170 02: Right Seat Heater Cushion Sensor Circuit Shorted to Ground B2170 05: Right Seat Heater Cushion Sensor Circuit Shorted to Battery or Open
DTC B1935 or B2180 (Factory Installed)	B1935 04: Left Seat Back Heater Circuit Open B1935 0A: Left Seat Back Heater Circuit Rate of Change Below Threshold B1935 0B: Left Seat Back Heater Circuit Current Above Threshold B1935 0C: Left Seat Back Heater Circuit Current Below Threshold B1935 0D: Left Seat Back Heater Circuit Resistance Above Threshold B1935 0E: Left Seat Back Heater Circuit Resistance Below Threshold B1935 1F: Left Seat Back Heater Circuit Intermittent B2180 04: Right Seat Back Heater Circuit Open B2180 0A: Right Seat Back Heater Circuit Rate of Change Below Threshold B2180 0B: Right Seat Back Heater Circuit Current Above Threshold B2180 0C: Right Seat Back Heater Circuit Current Below Threshold B2180 0D: Right Seat Back Heater Circuit Resistance Above Threshold B2180 0E: Right Seat Back Heater Circuit Resistance Below Threshold B2180 1F: Right Seat Back Heater Circuit Intermittent
DTC B1935 or B2180 (Dealer Installed)	B1935 04: Left Seat Back Heater Circuit Open B1935 0A: Left Seat Back Heater Circuit Rate of Change Below Threshold B1935 0B: Left Seat Back Heater Circuit Current Above Threshold B1935 0C: Left Seat Back Heater Circuit Current Below Threshold B1935 0D: Left Seat Back Heater Circuit Resistance Above Threshold B1935 0E: Left Seat Back Heater Circuit Resistance Below Threshold B1935 1F: Left Seat Back Heater Circuit Intermittent B2180 04: Right Seat Back Heater Circuit Open B2180 0A: Right Seat Back Heater Circuit Rate of Change Below Threshold B2180 0B: Right Seat Back Heater Circuit Current Above Threshold B2180 0C: Right Seat Back Heater Circuit Current Below Threshold B2180 0D: Right Seat Back Heater Circuit Resistance Above Threshold B2180 0E: Right Seat Back Heater Circuit Resistance Below Threshold B2180 1F: Right Seat Back Heater Circuit Intermittent
DTC B2345 (Factory Installed)	B2345 00: Seat Heater Disable Circuit B2345 13: Seat Heater Elements Temperature Above Threshold B2345 42: Seat Heater Elements Current Sensing Calibration Not Programmed B2345 4B: Seat Heater Elements Current Sensing Calibration Out of Range
DTC B2345 (Dealer Installed)	B2345 00: Seat Heater Disable Circuit B2345 13: Seat Heater Elements Temperature Above Threshold B2345 42: Seat Heater Elements Current Sensing Calibration Not Programmed B2345 4B: Seat Heater Elements Current Sensing Calibration Out of Range
DTC B2425 or B2430 (Factory Installed)	B2425 04: Left Seat Heater Cushion Circuit Open B2425 0A: Left Seat Heater Cushion Circuit Rate of Change Below Threshold B2425 0B: Left Seat Heater Cushion Circuit Current Above Threshold B2425 0C: Left Seat Heater Cushion Circuit Current Below Threshold B2425 0D: Left Seat Heater Cushion Circuit Resistance Above Threshold B2425 0E: Left Seat Heater Cushion Circuit Resistance Below Threshold B2425 1F: Left Seat Heater Cushion Circuit Intermittent B2430 04: Right Seat Heater Cushion Circuit Open B2430 0A: Right Seat Heater Cushion Circuit Rate of Change Below Threshold B2430 0B: Right Seat Heater Cushion Circuit Current Above Threshold B2430 0C: Right Seat Heater Cushion Circuit Current Below Threshold B2430 0D: Right Seat Heater Cushion Circuit Resistance Above Threshold B2430 0E: Right Seat Heater Cushion Circuit Resistance Below Threshold B2430 1F: Right Seat Heater Cushion Circuit Intermittent
DTC B2425 or B2430 (Dealer Installed)	B2425 04: Left Seat Heater Cushion Circuit Open B2425 0A: Left Seat Heater Cushion Circuit Rate of Change Below Threshold B2425 0B: Left Seat Heater Cushion Circuit Current Above Threshold B2425 0C: Left Seat Heater Cushion Circuit Current Below Threshold B2425 0D: Left Seat Heater Cushion Circuit Resistance Above Threshold B2425 0E: Left Seat Heater Cushion Circuit Resistance Below Threshold B2425 1F: Left Seat Heater Cushion Circuit Intermittent B2430 04: Right Seat Heater Cushion Circuit Open B2430 0A: Right Seat Heater Cushion Circuit Rate of Change Below Threshold B2430 0B: Right Seat Heater Cushion Circuit Current Above Threshold B2430 0C: Right Seat Heater Cushion Circuit Current Below Threshold B2430 0D: Right Seat Heater Cushion Circuit Resistance Above Threshold B2430 0E: Right Seat Heater Cushion Circuit Resistance Below Threshold B2430 1F: Right Seat Heater Cushion Circuit Intermittent
DTC B2435 or B2440 (Factory Installed)	B2435 02: Left Seat Back Heater Sensor Circuit Short to Ground B2435 05: Left Seat Back Heater Sensor Circuit Short to Battery or Open B2440 02: Right Seat Back Heater Sensor Circuit Short to Ground B2440 05: Right Seat Back Heater Sensor Circuit Short to Battery or Open
DTC B2435 or B2440 (Dealer Installed)	B2435 02: Left Seat Back Heater Sensor Circuit Short to Ground B2435 05: Left Seat Back Heater Sensor Circuit Short to Battery or Open B2440 02: Right Seat Back Heater Sensor Circuit Short to Ground B2440 05: Right Seat Back Heater Sensor Circuit Short to Battery or Open
DTC B2508 or B2509 (Factory Installed)	B2508 01: Seat Heater Relay Circuit Short to Battery B2508 02: Seat Heater Relay Circuit Short to Ground
DTC B2508 or B2509 (Dealer Installed)	B2508 01: Seat Heater Relay Circuit Short to Battery B2508 02: Seat Heater Relay Circuit Short to Ground