Diagnostic Code Index
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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 | 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 B1935 or B2180 | 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 | 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 | 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 | 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 | B2508 01: Seat Heater Relay Circuit Short to Battery B2508 02: Seat Heater Relay Circuit Short to Ground |