C0397 2016 Chevrolet Silverado Code - Transfer Case Clutch
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 2016 Chevrolet Silverado indicates Transfer Case Clutch.
- 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC C0397 2016 Chevrolet Silverado?
- 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 2016 Chevrolet Silverado?
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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado Code
1. What does the OBDII code C0397 mean on a 2016 Chevrolet Silverado?
C0397 indicates an issue with the transfer case clutch control circuit, typically related to voltage, circuit performance, or the clutch operation.
2. What are the common symptoms of code C0397 in a 2016 Chevrolet Silverado?
Symptoms may include the "Service 4WD" light turning on, inability to shift into certain drive modes, erratic 4WD operation, or unusual noises from the transfer case.
3. What causes the C0397 code on a Chevrolet Silverado?
Common causes include wiring or connector issues, a faulty transfer case clutch solenoid, a malfunctioning transfer case control module (TCCM), or low transfer case fluid.
4. Can a faulty transfer case clutch solenoid trigger the C0397 code?
Yes, a defective transfer case clutch solenoid can cause the code by failing to properly engage or disengage the clutch.
5. How can I diagnose the C0397 code on my Silverado?
Start by inspecting the transfer case wiring and connectors for damage, check the transfer case fluid level, and test the transfer case clutch solenoid and related circuits for proper operation.
6. Is it safe to drive with the C0397 code on a 2016 Silverado?
Driving might still be possible, but 4WD functionality will likely be impaired, and continuing to drive without repair could lead to further damage.
7. How do I fix the C0397 code on my Chevrolet Silverado?
Repairs may include fixing damaged wiring, replacing the transfer case clutch solenoid, updating or reprogramming the TCCM, or servicing the transfer case.
8. Will clearing the C0397 code fix the issue?
Clearing the code without addressing the underlying problem will likely result in the code and symptoms returning.
9. Can low transfer case fluid cause the C0397 code?
Yes, insufficient or degraded transfer case fluid can lead to improper clutch operation and trigger the code.
10. Do I need to replace the transfer case to fix the C0397 code?
Not necessarily. The issue is often related to the clutch solenoid or electrical components, and a full transfer case replacement is usually not required.
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