Pinpoint Test L : The AWD (All-Wheel Drive) System Does Not Activate From The 4WD/AWD Power Transfer Unit Position Sensor: Notes
WARNING: This page is about a different car, the 2019 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The AWD module Does Not Activate the PTU mechanism.
Normal Operations and Fault Conditions
REFER to: Four-Wheel Drive Systems - System Operation and Component Description .
AWD module DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| C00A1:08 | Driveline Control Module : Bus Signal / Message Failure | Sets when the AWD module detects a communication fault with the 4WD/AWD Power Transfer Unit Position Sensor circuit. |
| C00A2:01 | Driveline Control Module Power Transfer Unit Control Circuit Driver : General Electrical Failure | Sets when the AWD module detects a short to ground from the 4WD/AWD Power Transfer Unit Position Sensor circuit. |
Possible Sources
- Fuse
- Wiring, terminals or connectors
- 4WD/AWD Power Transfer Unit Position Sensor
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the 4WD/AWD Power Transfer Unit Position Sensor.
- Inspect the battery monitoring sensor connector.