C0306 2017 Chevrolet Silverado Code - Range Actuator Control Circuit
Quick Answer
The Transfer Case Motor, also known as the transfer case range actuator, is a bi-directional, permanent magnet, DC motor. 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
- C0306 2017 Chevrolet Silverado indicates Range Actuator Control Circuit.
- 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 C0306 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC C0306 2017 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 C0306 2017 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0306 2017 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 C0306 2017 Chevrolet Silverado Code
1. What does OBDII code C0306 mean on a 2017 Chevrolet Silverado?
C0306 indicates an issue with the range actuator control circuit, which is related to the transfer case or 4WD system.
2. What are the common symptoms of the C0306 code in a Chevrolet Silverado?
Symptoms may include the "Service 4WD" light illuminating, inability to switch between 4WD modes, or unusual noises from the transfer case.
3. What causes the C0306 code in a 2017 Chevy Silverado?
Common causes include a faulty range actuator motor, damaged wiring or connectors in the control circuit, or issues with the transfer case control module (TCCM).
4. Can a bad range actuator motor trigger the C0306 code?
Yes, a malfunctioning range actuator motor is a primary cause of the C0306 code.
5. How can I diagnose the C0306 code on my Silverado?
Start by inspecting the range actuator wiring and connectors for damage or corrosion. Use a scan tool to check for additional codes and test the actuator’s functionality.
6. Can I drive my 2017 Silverado with the C0306 code?
Driving may be possible, but the 4WD system may not function properly, which could affect traction in certain conditions.
7. How is the C0306 code typically fixed?
Repairs may include replacing the range actuator motor, repairing damaged wiring or connectors, or reprogramming or replacing the transfer case control module.
8. How much does it cost to repair the C0306 code on a 2017 Chevy Silverado?
Repair costs vary but may range from $200 to $700, depending on whether you need to replace the actuator motor or address wiring issues.
9. Can a weak battery cause the C0306 code?
Yes, a weak or failing battery can sometimes cause electrical issues, including triggering the C0306 code.
10. Is it necessary to reprogram the TCCM after fixing the C0306 code?
Reprogramming may be required if the TCCM is replaced or updated as part of the repair process.
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