Pinpoint Test C : C1B14:11 Or C1B14:12: Notes
WARNING: This page is about a different car, the 2016 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