U011C Code - Lost Communication With Rocker Arm Control Module 'B'
Quick Answer
The diagnostic trouble code U011C indicates that the vehicle's onboard computer has lost communication with the Rocker Arm Control Module 'B'. Common causes include Faulty Rocker Arm Control Module, Damaged wiring or connectors, Blown fuse. 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
- U011C indicates Lost Communication With Rocker Arm Control Module 'B'.
- Common causes
- Common causes include Faulty Rocker Arm Control Module, Damaged wiring or connectors, Blown fuse.
- 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 U011C Description
The diagnostic trouble code U011C indicates that the vehicle's onboard computer has lost communication with the Rocker Arm Control Module 'B'. The Rocker Arm Control Module is responsible for controlling the movement of the rocker arms in the engine, which play a crucial role in the operation of the valves. When communication is lost with this module, it can lead to a variety of issues with the engine's performance.
Common Causes of U011C
- Faulty Rocker Arm Control Module
- Damaged wiring or connectors
- Blown fuse
- Communication bus malfunction
- Water damage or corrosion
Symptoms of U011C
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Stalling
- Check Engine Light illuminated
How to Fix U011C
- Perform a thorough inspection of the wiring and connectors for damage or corrosion.
- Check and replace any blown fuses related to the Rocker Arm Control Module.
- Test the Rocker Arm Control Module for functionality and replace if necessary.
- Clear the diagnostic trouble codes and perform a test drive to verify the repair.
- If the issue persists, consult a professional mechanic for further diagnosis and repair.
Cost to Fix U011C
The typical repair costs for addressing a lost communication with the Rocker Arm Control Module 'B' can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty Rocker Arm Control Module can range from $200 to $500, while addressing wiring or connector issues may cost around $100 to $300. The total repair cost, including parts and labor, could range from $300 to $800. However, it's essential to consider that labor rates at auto repair shops can vary, with average rates ranging from $80 to $150 per hour. Additionally, factors such as location, vehicle make and model, and engine type can influence the final repair costs. It's advisable to consult with a professional mechanic for a more precise estimate based on your specific situation.
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