Transfer Case Position Sensor Circuit
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel
Description
Malfunction in the sensor that reports the current transfer case range position.
Symptoms
- 4WD indicator not showing correct mode
- Service 4WD light
- Transfer case may not shift
- Unknown drive mode selected
Common Causes
- Faulty position sensor
- Sensor wiring damage
- Transfer case not fully engaged in any position
- Sensor contaminated with fluid
Diagnostic Steps
- Read transfer case position with scan tool
- Command mode change and watch sensor response
- Inspect sensor wiring
- Check transfer case fluid level and condition
- Test sensor resistance or voltage
Repair Notes
Replace transfer case position sensor. Check fluid condition.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0505 on Other Vehicles
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Ford Bronco Sport
2021-2024 2.0L I4 EcoBoost
Ford Contour
1995-2000 2.0L I4
Ford Contour
1995-2000 2.5L V6
Ford Crown Victoria
1998-2011 4.6L V8 Modular 2V
Common Questions
What does code C0505 mean on a 2000-2003 Ford Excursion?
C0505 stands for "Transfer Case Position Sensor Circuit". Malfunction in the sensor that reports the current transfer case range position.
What are the symptoms of C0505 on a Ford Excursion?
Common symptoms of C0505 include: 4WD indicator not showing correct mode, Service 4WD light, Transfer case may not shift, Unknown drive mode selected.
What causes C0505 on a 2000-2003 Ford Excursion?
Common causes of C0505 include: Faulty position sensor, Sensor wiring damage, Transfer case not fully engaged in any position, Sensor contaminated with fluid.