U2139 Code - Lost Communication With Column Integration Module
Quick Answer
The U2139 code indicates that there has been a communication failure with the Column Integration Module (CIM) in the vehicle. Common causes include Faulty wiring or connectors leading to the CIM, Issues with the CIM itself, Software glitches or communication errors. 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
- U2139 indicates Lost Communication With Column Integration Module.
- Common causes
- Common causes include Faulty wiring or connectors leading to the CIM, Issues with the CIM itself, Software glitches or communication errors.
- 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.
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Code U2139 Description
The U2139 code indicates that there has been a communication failure with the Column Integration Module (CIM) in the vehicle. The CIM is responsible for controlling various functions related to the steering column, including the steering wheel lock, turn signals, wipers, and other integrated systems. When communication is lost with the CIM, it can lead to malfunctions in these systems, potentially affecting the vehicle's overall performance and safety.
Common Causes of U2139
- Faulty wiring or connectors leading to the CIM
- Issues with the CIM itself
- Software glitches or communication errors
- Water damage or corrosion in the CIM or related components
Symptoms of U2139
- Dashboard warning lights related to steering or other integrated systems
- Loss of functionality in steering wheel controls or turn signals
- Wipers not working properly
- Vehicle not starting
How to Fix U2139
- Begin by conducting a visual inspection of the wiring and connectors leading to the CIM to check for any visible damage or corrosion.
- Use a diagnostic scanner to communicate with the CIM and identify the specific error codes.
- Test the CIM for functionality and potential software updates.
- Replace any faulty wiring, connectors, or the CIM itself if necessary.
- Clear the error codes and test the affected systems to ensure proper functionality.
Cost to Fix U2139
The cost of repairing a lost communication issue with the Column Integration Module can vary depending on the underlying cause and the specific components that need to be replaced. In general, the repair costs for this type of issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates and part prices can vary significantly based on the location, vehicle make and model, and the specific repair shop. It is advisable to obtain quotes from local auto repair shops to get a more accurate estimate for this repair.
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Code U2139 Information for Specific Makes
- U2139 Buick — Lost Communication With Column Integration Module
- U2139 Cadillac — Lost Communication With Column Integration Module
- U2139 Chevrolet — Lost Communication With Column Integration Module
- U2139 GMC — Lost Communication With Column Integration Module
- U2139 Pontiac — Lost Communication With Column Integration Module
- U2139 Saturn — Lost Communication With Column Integration Module
Frequently Asked Questions about U2139 Code
1. What are the common symptoms of OBDII code U2139 (Lost Communication With Column Integration Module)?
- Common symptoms include issues with power steering, steering wheel controls not working, and possible warning lights on the dashboard.
2. What are the possible causes of OBDII code U2139?
- Possible causes include a faulty column integration module, damaged wiring or connectors, issues with the steering angle sensor, or a communication error within the vehicle's network.
3. How can I diagnose the root cause of OBDII code U2139?
- Diagnosing the issue typically involves checking the wiring and connectors associated with the column integration module, testing the module itself, and using a diagnostic scanner to analyze communication errors in the vehicle's system.
4. Is it safe to continue driving with OBDII code U2139 present?
- It is not recommended to continue driving with this code present, as it can affect the proper functioning of critical systems like power steering and potentially lead to safety hazards.
5. How can I repair OBDII code U2139?
- Repairing this code often involves fixing or replacing the faulty column integration module, repairing damaged wiring or connectors, and ensuring proper communication between the module and other vehicle components.
6. Can a DIY enthusiast fix OBDII code U2139 at home?
- While some aspects of diagnosing and repairing this code can be done at home, it is recommended to seek professional help for a thorough diagnosis and proper repair to ensure the issue is resolved correctly.
7. How much does it typically cost to repair OBDII code U2139 at a mechanic or dealership?
- The cost of repairing this code can vary depending on the specific cause of the issue, but it may range from a couple of hundred dollars to over a thousand dollars, considering parts and labor.
8. Are there any preventive measures to avoid OBDII code U2139 in the future?
- Regular vehicle maintenance, such as checking wiring integrity and keeping the column integration module in good condition, can help prevent issues that may trigger this code.
9. Can OBDII code U2139 be intermittent or occur only under specific conditions?
- Yes, this code can be intermittent and may only occur under specific driving conditions or when the communication error between components is triggered.
10. Will resetting the OBDII system clear the U2139 code permanently?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause to resolve the problem permanently.
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