Pinpoint Test Ac : DTC B19A8: Notes
WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Climate Controlled Seats for schematic and connector information.
Normal Operation and Fault Conditions
The SCME supplies voltage and ground to the driver seat backrest blower motor. The SCME also sends a speed control voltage signal to the blower motor to control blower speed.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B19A8 | Driver Seat Back Blower Speed Short to Ground | If the driver seat backrest blower speed circuit is shorted to voltage, the SCME shuts down the driver seat system and sets this DTC. |
Possible Causes
- Wiring, terminals or connectors
- Backrest blower motor
- SCME