U0139 Chevrolet Code - Lost Communication With Suspension Control Module
Quick Answer
Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Suspension Control Module, Suspension Control Module harness is open or shorted, Suspension Control Module 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
- U0139 Chevrolet indicates Lost Communication With Suspension Control Module.
- Common causes
- Common causes include Faulty Suspension Control Module, Suspension Control Module harness is open or shorted, Suspension Control Module 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 U0139 Chevrolet Description
What are the Possible Causes of the DTC U0139 Chevrolet?
- Faulty Suspension Control Module
- Suspension Control Module harness is open or shorted
- Suspension Control Module circuit poor electrical connection
How to Fix the DTC U0139 Chevrolet?
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 U0139 Chevrolet 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 U0139 Chevrolet Code
1. What are the common symptoms of OBDII code U0139 (Lost Communication With Suspension Control Module) in a Chevrolet?
- Common symptoms include issues with the suspension system, such as erratic ride quality, uneven ride height, and warning lights on the dashboard.
2. What are the possible causes of U0139 code in a Chevrolet related to the suspension control module?
- Possible causes may include a malfunctioning suspension control module, damaged wiring or connectors, faulty communication network, or a software glitch.
3. How can I diagnose the U0139 code in my Chevrolet related to the suspension control module?
- Diagnosing the U0139 code involves using a diagnostic scanner to retrieve the code, checking the suspension control module for power and ground, inspecting wiring and connectors for damage, and verifying communication network integrity.
4. What are some repair tips for fixing the U0139 code in a Chevrolet due to lost communication with the suspension control module?
- Repair tips include checking and repairing any damaged wiring or connectors, ensuring the suspension control module is functioning properly, and clearing the code after making necessary repairs.
5. Is it safe to drive my Chevrolet with the U0139 code related to the suspension control module?
- It is generally not recommended to drive the vehicle with the U0139 code, as it can affect the proper functioning of the suspension system and potentially compromise safety.
6. Can a DIY enthusiast fix the U0139 code in a Chevrolet on their own?
- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the U0139 code related to the suspension control module may require advanced diagnostic tools and expertise.
7. How much does it typically cost to repair the U0139 code in a Chevrolet at a professional auto repair shop?
- The cost of repairing the U0139 code can vary depending on the underlying cause, but it may range from a few hundred to over a thousand dollars, including parts and labor.
8. Will resetting the U0139 code in a Chevrolet make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the U0139 code is not addressed, it is likely to reappear.
9. How long does it take to repair the U0139 code related to the suspension control module in a Chevrolet?
- The repair time can vary based on the exact cause of the U0139 code, but it may take anywhere from a few hours to a full day at an auto repair shop.
10. Are there any recalls or technical service bulletins related to the U0139 code in Chevrolet vehicles?
- It's recommended to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to the U0139 code and its associated problems with the suspension control module.
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