C0397:F4 Code - Transfer Case Range Position Sensor Over Travel
Quick Answer
In 4WD/AWD Automatic range, the Transfer Case Control Module monitors the front and rear wheel speed sensors for slip. Common causes include Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator), Transfer Case Motor harness is open or shorted, Transfer Case Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C0397:F4 indicates Transfer Case Range Position Sensor Over Travel.
- Common causes
- Common causes include Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator), Transfer Case Motor harness is open or shorted, Transfer Case Motor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C0397:F4 Description
What are the Possible Causes of the DTC C0397:F4?
- Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator)
- Transfer Case Motor harness is open or shorted
- Transfer Case Motor circuit poor electrical connection
- Faulty Transfer Case Control Module
How to Fix the DTC C0397:F4?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
C0397:58 Transfer Case Clutch Performance
C0397:4B (if equipped) Transfer Case Clutch Calibration Not Learned
C0397:F3 Transfer Case Clutch Worn Out Clutch
C0397:F4 Transfer Case Range Position Sensor Over Travel
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0397:F4 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C0397:F4 Code
1. What does OBDII code C0397:F4 mean?
Code C0397:F4 indicates an issue with the transfer case range position sensor detecting over travel, which may signal a malfunction in the sensor or related components.
2. What are the common symptoms of code C0397:F4?
Symptoms may include difficulty shifting between transfer case modes, illuminated warning lights, reduced drivetrain functionality, or unusual noises during gear shifts.
3. What causes code C0397:F4?
Common causes include a faulty transfer case range position sensor, wiring issues, mechanical wear in the transfer case, or improper calibration of the sensor.
4. Can I drive with code C0397:F4?
While driving may still be possible, ignoring this code can lead to further damage to the transfer case or drivetrain components, so prompt diagnosis and repair are recommended.
5. How is code C0397:F4 diagnosed?
A mechanic may inspect the transfer case range position sensor, check for wiring or connector damage, and use a scan tool to monitor sensor data and confirm over travel.
6. How do you fix code C0397:F4?
Repairs may involve replacing the transfer case range position sensor, addressing wiring or connection issues, recalibrating the sensor, or repairing mechanical damage within the transfer case.
7. How much does it cost to repair code C0397:F4?
Repair costs vary depending on the extent of the issue, but replacing the sensor typically costs between $150-$400 including parts and labor.
8. Can a faulty transfer case range position sensor cause other issues?
Yes, a malfunctioning sensor can lead to improper transfer case operation, increased drivetrain wear, or failure to switch between 4WD and 2WD modes.
9. Is code C0397:F4 specific to certain vehicles?
This code is more common in vehicles equipped with electronically controlled transfer cases, particularly those used in off-road or 4WD applications.
10. How can I prevent code C0397:F4 from occurring?
Regular maintenance of the transfer case, including fluid changes and inspections, can help avoid sensor and mechanical issues that lead to this code.
Discuss the causes and fixes for C0397:F4 OBDII Code
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