Pinpoint Test C : C1B14:11 Or C1B14:12: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Automatic Climate Control System , for schematic and connector information.
Normal Operation and Fault Conditions
A 5-volt reference voltage is supplied to the sensors and actuators from the HVAC control module.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| C1B14:11 | Sensor Supply Voltage A: Circuit Short to Ground | The HVAC control module senses less than 4.9 volts on the sensor reference voltage circuit, indicating a short to ground. |
| C1B14:12 | Sensor Supply Voltage A: Circuit Short to Battery | The HVAC control module senses greater than 4.9 volts on the sensor reference voltage circuit, indicating a short to voltage. |
Possible Sources
- Wiring, terminals or connectors
- HVAC control module