Pinpoint Test V : DTC B19A1: 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 passenger seat cushion backrest and cushion blower motors. 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 |
|---|---|---|
| B19A1 | Passenger Seat Cushion Blower Speed Short to Battery | If the passenger seat cushion blower speed circuit is shorted to voltage, the SCME shuts down the passenger seat system and sets this DTC. |
Possible Causes
- Wiring, terminals or connectors
- Cushion blower motor
- SCME