Heated Seat Inoperative
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Heated Seat Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics and Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views |
|||
| 1 | Did you perform the Power Seat Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Power Seat Systems |
| 2 | Operate the heated seat system. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 8 | Go to Step 4 |
| 4 |
|
Go to Step 5 | Go to Step 6 |
| 5 | Do the heated seat switch indicators operate normally? | Go to Step 13 | Go to Step 12 |
| 6 |
|
Go to Step 7 | Go to Step 10 |
| 7 | Test the resistance through the heated seat switch from the voltage supply circuit terminal to the back/cushion select switch signal circuit terminal while operating the back/cushion select switch. Does the back/cushion select switch have continuity only when pressed? |
Go to Step 12 | Go to Step 10 |
| 8 |
|
Go to Step 11 | Go to Step 9 |
| 9 | Test the seat heater element voltage supply and ground circuits in the seat harness for an open or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 13 |
| 10 | Inspect for poor connections at the heated seat switch harness connector to the door module. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 14 |
| 11 | Inspect for poor connections at the heated seat element connector. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 15 |
| 12 | Inspect for poor connections at the door module. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 16 |
| 13 | Inspect for poor connections at the driver seat module. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 17 |
| 14 | Replace the heated seat switch. Refer to Heated Seat Switch Replacement - Front . Is the repair complete? |
Go to Step 18 | - |
| 15 | Replace the inoperative heated seat element. Refer to Seat Back Heater Element Replacement - Front or Seat Cushion Heater Element Replacement - Front . Is the repair complete? |
Go to Step 18 | - |
| 16 | Replace the door module. Refer to Switch Replacement - Door Lock and Side Window - Driver
or Switch Replacement - Door Lock and Side Window - Passenger
in Doors. Is the repair complete? |
Go to Step 18 | - |
| 17 | Replace the driver seat module. Refer to Memory Seat Control Module Replacement . Is the repair complete? |
Go to Step 18 | - |
| 18 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |