Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
DTC B19A1, B19A5, OR B272A DIAGNOSTIC FAULT INFORMATION
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Battery Positive Voltage | 1 | 1 | -- | -- |
| Ignition 3 Voltage | 1 | 1 | -- | -- |
| Passenger Seat Blower Supply Voltage | B111D | B272F | B272F | -- |
| Passenger Seat Back Blower Supply Voltage | B111D | B272D, B727B, B272F | B272F | -- |
| Passenger Seat Cushion Blower Supply Voltage | B111D | B272A, B272D | B272F | -- |
| Passenger Heated Seat Back Only Mode Switch Signal | 5 | 5 | 5 | -- |
| Passenger Heated Seat Cool Switch Signal | 4 | 4 | 4 | -- |
| Passenger Seat Back Cushion Switch Signal | 3 | 3 | 3 | -- |
| Passenger Seat Back Temperature Sensor Signal | B272B, B272D | B1AA3, B272D | B1AA3, B272D | -- |
| Passenger Seat Cushion Temperature Sensor Signal | B272A, B272D | B1AA2, B272D | B1AA2, B272D | -- |
| Right Heated/Cooled Seat Mode Signal | 2 | 2 | 2 | -- |
| Passenger Seat Back Heated/Cool Ventilation Module Cool Control | B111A | B272D, 4 | -- | -- |
| Passenger Seat Back Heated/Cool Ventilation Module Heat Control | B111A, 4 | B272D, 4, 5 | -- | -- |
| Passenger Seat Cushion Heated/Cool Ventilation Module Cool Control | B111A | B272D, 4 | -- | -- |
| Passenger Seat Cushion Heated/Cool Ventilation Module Heat Control | B111A, 4 | B272D | 4 | -- |
| Passenger Seat Back Blower Speed Control | B19A6 | B272B, B272D, B272F | B19A2 | -- |
| Passenger Seat Cushion Blower Speed Control | B19A5 | B272A, B272D | B19A1 | -- |
| Low Reference - Passenger Heated Seat Switch | -- | 2 | -- | -- |
| Low Reference - Passenger Seat Back Blower | -- | B272B, B272D, B272F | -- | -- |
| Low Reference - Passenger Seat Back and Cushion Blower | -- | B272F | -- | -- |
| Low Reference - Passenger Seat Cushion Blower | -- | B272A, B272D | -- | -- |
| Low Reference - Passenger Seat Back Temperature Sensor | -- | B1AA3, B272D | -- | -- |
| Low Reference - Passenger Seat Cushion Temperature Sensor | -- | B1AA2, B272D | -- | -- |
| Ground - Climate Control Seat Module | -- | 1 | -- | -- |
| 1. Driver and passenger heated/cooled seats are inoperative 2. Driver seat heat and cool modes are inoperative 3. Seat heat mode is inoperative 4. Seat cool mode is inoperative 5. Heated/cooled seat inoperative - Back Only Mode |
||||