C0379 2014 Chevrolet Silverado Code - Front Axle Switch Circuit
Quick Answer
The front axle control circuit consists of an electric motor actuator that engages and disengages the front axle. Common causes include Faulty Front Axle Engagement Actuator, Front Axle Engagement Actuator harness is open or shorted, Front Axle Engagement Actuator 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
- C0379 2014 Chevrolet Silverado indicates Front Axle Switch Circuit.
- Common causes
- Common causes include Faulty Front Axle Engagement Actuator, Front Axle Engagement Actuator harness is open or shorted, Front Axle Engagement Actuator 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 C0379 2014 Chevrolet Silverado Description
The front axle engagement actuator contains the following circuits: A Run/Crank Ignition 1 Voltage circuit, a Four-Wheel Drive Wheel Lock Indicator circuit, a Front Axle Actuator Control circuit, and a ground circuit.
When a shift to 4WD Auto, 4WD High, or 4WD Low is requested, the Transfer Case Control Module engages the front axle by grounding the front axle actuator control circuit through a current limiting driver.
This Diagnostic Trouble Code (DTC) will be set when a short to ground, short to voltage, or open circuit is detected.
What are the Possible Causes of the DTC C0379 2014 Chevrolet Silverado?
- Faulty Front Axle Engagement Actuator
- Front Axle Engagement Actuator harness is open or shorted
- Front Axle Engagement Actuator circuit poor electrical connection
- Faulty Transfer Case Control Module
How to Fix the DTC C0379 2014 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 C0379 2014 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 C0379 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code C0379 in a 2014 Chevrolet Silverado?
- Common symptoms include the "Service 4WD" warning light illuminated on the dashboard, difficulty shifting into 4WD mode, or complete loss of 4WD functionality.
2. What does the OBDII code C0379 on a 2014 Chevrolet Silverado indicate?
- OBDII code C0379 specifically refers to a Front Axle Switch Circuit malfunction in the vehicle's 4WD system.
3. What are the possible causes of OBDII code C0379 in a 2014 Chevrolet Silverado?
- The common causes of OBDII code C0379 include a faulty front axle switch, damaged wiring or connectors in the circuit, or issues with the 4WD control module.
4. How can I diagnose the Front Axle Switch Circuit issue triggering code C0379 in my 2014 Chevrolet Silverado?
- Diagnosing the issue involves inspecting the front axle switch, checking the wiring and connectors for any damage, and using a diagnostic scanner to retrieve specific trouble codes.
5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code C0379 present?
- It is not recommended to continue driving the vehicle with this code active, as it may lead to further damage to the 4WD system or potential safety issues.
6. Is it possible to reset the OBDII code C0379 in a 2014 Chevrolet Silverado without fixing the underlying issue?
- While you can clear the trouble code using a diagnostic scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring.
7. How much does it typically cost to repair OBDII code C0379 in a 2014 Chevrolet Silverado?
- The repair cost can vary depending on the specific issue causing the code, but it may involve replacing the front axle switch, repairing damaged wiring, or reprogramming the 4WD control module.
8. Are there any DIY tips for fixing the Front Axle Switch Circuit issue triggering code C0379 in a 2014 Chevrolet Silverado?
- DIY enthusiasts can start by inspecting the front axle switch and its connections for any visible damage or corrosion before proceeding with more advanced diagnostics or repairs.
9. Will fixing OBDII code C0379 in a 2014 Chevrolet Silverado require professional expertise?
- While some basic diagnostics and repairs can be done by DIYers, resolving complex issues related to the Front Axle Switch Circuit may require the expertise of a qualified mechanic or technician.
10. How important is it to address OBDII code C0379 promptly in a 2014 Chevrolet Silverado?
- It is essential to address this code promptly to ensure the proper functioning of the 4WD system and prevent potential drivability issues or damage to other components.
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