LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Edge ST-Line, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Four-Wheel Drive Systems) >> Diagnosis And Testing >> Four-Wheel Drive Systems >> Pinpoint Tests >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Tests: Notes

WARNING: This page is about a different variant/trim than selected.

DTC's C05F0:00, C05F1:00, C05F3:00 and C05F4:00 

Refer to All Wheel Drive (AWD) for schematic and connector information.

Normal Operation and Fault Conditions 

The RDU driveshaft sensor is a Hall-effect type sensor that provides a signal to the AWD module that changes in frequency as the rotating speed of the driveshaft changes.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
C05F0:00 Rear Drive Shaft Speed Sensor Circuit Low : No Sub Type Information This DTC sets if the AWD module detects an open or short to ground in the RDU speed sensor circuitry.
C05F1:00 Rear Drive Shaft Speed Sensor Circuit High : No Sub Type Information This DTC sets if the AWD module detects an open or short to ground in the RDU speed sensor circuitry.
C05F3:00 Rear Drive Shaft Speed Sensor Circuit: No Sub Type Information This DTC sets if the AWD module detects an open or short to ground in the RDU speed sensor circuitry.
C05F4:00 Rear Drive Shaft Speed Sensor Circuit Range/Performance: No Sub Type Information This DTC sets if the AWD module detects an intermittent circuit fault in the RDU speed sensor circuit causing the sensor input to drop or spike low. May also be caused by loose electrical connections or faulty sensor.

Possible Causes