Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 Cadillac DTS. 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 |
|---|---|---|---|---|
| B+ | 1 | 1 | - | - |
| Ignition Voltage | 1 | 1 | - | - |
| Driver Seat Blower Supply Voltage | B103D | B272E | B272E | - |
| Driver Seat Back Blower Supply Voltage | B103D | B272C, B727E, B2730 | B272E | - |
| Driver Seat Cushion Blower Supply Voltage | B103D | B272C, B2729 | B272E | - |
| Driver Heated Seat Back Only Mode Switch Signal | 5 | 5 | 5 | - |
| Driver Heated Seat Cool Switch Signal | 4 | 4 | 4 | - |
| Driver Seat Back Cushion Switch Signal | 3 | 3 | 3 | - |
| Driver Seat Back Temperature Sensor Signal | B272C, B2730 | B1AA1, B272C | B1AA1, B272C | - |
| Driver Seat Cushion Temperature Sensor Signal | B272C, B2729 | B1AA0, B272C | B1AA0, B272C | - |
| Left Heated/Cooled Seat Mode Signal | 2 | 2 | 2 | - |
| Driver Seat Back Heated/Cool Ventilation Module Cool Control | B103A | B272C, 4, 5 | - | - |
| Driver Seat Back Heated/Cool Ventilation Module Heat Control | B103A, 4 | B272C, 4, 5 | - | - |
| Driver Seat Cushion Heated/Cool Ventilation Module Cool Control | B103A | B272C, 4 | - | - |
| Driver Seat Cushion Heated/Cool Ventilation Module Heat Control | B103A, 4 | B272C | 4 | - |
| Driver Seat Back Blower Speed Control | B19A8 | B272C, B272E, B2730 | B19A4 | - |
| Driver Seat Cushion Blower Speed Control | B19A7 | B272C, B2729 | B19A3 | - |
| Low Reference - Driver Heated Seat Switch | - | 2 | - | - |
| Low Reference - Driver Seat Back Blower | - | B272C, B272E, B2730 | - | - |
| Low Reference - Driver Seat Back and Cushion Blower | - | B272E | - | - |
| Low Reference - Driver Seat Cushion Blower | - | B272C, B2729 | - | - |
| Low Reference - Driver Seat Back Temperature Sensor | - | B1AA1, B272C | - | - |
| Low Reference - Driver Seat Cushion Temperature Sensor | - | B1AA0, B272C | - | - |
| Ground - Climate Control Seat Module | - | 1 | - | - |
| 1. Driver and passenger heated/cooled seats are inoperative, the CCSM does not communicate with the scan tool. 2. Driver heated and cooled seat inoperative 3. Seat heat mode is inoperative 4. Seat cool mode is inoperative 5. Heated/cooled seat inoperative - Back Only Mode |
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