Diagnostic Fault Information

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.

Circuit	Short to Ground	Open/High Resistance	Short to Voltage	Signal Performance
Climate Control Seat Module B+	1	1	-	-
Climate Control Seat Module Ignition Voltage	1	1	-	-
Climate Control Seat Module Ground	-	1	-	-
Heated Seat Switch Back/Cushion Signal	5	5	5	-
Heated Seat Switch Back Only Mode Signal	7	7	7	-
Heated Seat Switch Cool Signal	6	6	6	-
Heated and Cooled Seat Switch Low Reference	-	1	-	-
Left Heated/Cooled Seat Mode Signal	2	2	2	-
Right Heated/Cooled Seat Mode Signal	2	2	2	-
Seat Back Temperature Sensor Signal	2	2	2	-
Seat Back Temperature Sensor Low Reference	-	2	-	-
Seat Back Blower Control	2	2	3	-
Seat Back Blower Speed Control	2	2	3	-
Seat Back Blower Low Reference	-	2	-	-
Seat Back Ventilation Heating and Cooling Module Cool Control	2	2	-	-
Seat Back Ventilation Heating and Cooling Module Heat Control	2	2	-	-
Seat Cushion Temperature Sensor Signal	2	2	2	-
Seat Cushion Temperature Sensor Low Reference	-	2	-	-
Seat Cushion Blower Control	2	2, 4	3	-
Seat Cushion Blower Speed Control	2, 4	2, 4	3	-
Seat Cushion Blower Low Reference	-	2, 4	-	-
Seat Cushion Ventilation Heating and Cooling Module Cool Control	2	2, 4	-	-
Seat Cushion Ventilation Heating and Cooling Module Heat Control	2, 4	2, 4	-	-
1. Driver and passenger heated/cooled seats are inoperative 2. Seat back and cushion heat and cool modes are inoperative 3. The blower runs at high speed all the time and the seat temperature adjustment is inoperative 4. The seat back only heat mode operates OK 5. Seat heat mode is inoperative 6. Seat cool mode is inoperative 7. Seat back only heat mode is inoperative