U216B Code - Lost Communication With Rear Object Detection Control Module
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Rear Object Detection Control Module, Rear Object Detection Control Module harness is open or shorted, Rear Object Detection 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
- U216B indicates Lost Communication With Rear Object Detection Control Module.
- Common causes
- Common causes include Faulty Rear Object Detection Control Module, Rear Object Detection Control Module harness is open or shorted, Rear Object Detection 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 U216B Description
What are the Possible Causes of the DTC U216B?
- Faulty Rear Object Detection Control Module
- Rear Object Detection Control Module harness is open or shorted
- Rear Object Detection Control Module circuit poor electrical connection
How to Fix the DTC U216B?
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 U216B 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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Information for Specific Makes
- U216B Buick — Lost Communication With Rear Object Detection Control Module
- U216B Cadillac — Lost Communication With Rear Object Detection Control Module
- U216B Chevrolet — Lost Communication With Rear Object Detection Control Module
- U216B GMC — Lost Communication With Rear Object Detection Control Module
Frequently Asked Questions about U216B Code
1. What are the common symptoms of OBDII code U216B, Lost Communication With Rear Object Detection Control Module?
The common symptoms include malfunctioning rear object detection system, disabled parking assistance features, and illuminated warning lights on the dashboard.
2. What are the possible causes of OBDII code U216B?
The code U216B can be triggered by issues such as a faulty rear object detection control module, damaged wiring or connectors, low battery voltage, or software glitches.
3. How can I diagnose the root cause of code U216B?
To diagnose the issue, you can perform a visual inspection of the wiring and connectors, check the battery voltage, use a diagnostic scanner to retrieve trouble codes, and conduct a proper diagnostic procedure to pinpoint the exact cause.
4. Is it safe to continue driving with OBDII code U216B present?
While the vehicle may still be operable with this code, it is not recommended to ignore it. It is crucial to address the underlying issue promptly to ensure the proper functioning of the rear object detection system.
5. Can I repair OBDII code U216B on my own?
Depending on your automotive knowledge and skills, you may be able to address the issue on your own by checking the wiring, connectors, and control module. However, for complex repairs or software-related issues, it is advisable to seek professional help.
6. How much does it typically cost to repair OBDII code U216B?
The cost of repairing code U216B can vary depending on the root cause of the issue, the extent of the damage, and whether you choose to address it yourself or take it to a mechanic. Costs may range from a simple connector repair to a complete module replacement.
7. Will resetting the trouble codes make OBDII code U216B disappear permanently?
Simply resetting the trouble codes may temporarily clear the code, but if the underlying issue is not fixed, it is likely to reappear after a short period. It is essential to diagnose and address the root cause for a permanent solution.
8. How long does it take to repair OBDII code U216B?
The repair time for code U216B can vary depending on the complexity of the issue, the availability of parts, and the expertise of the technician. Simple fixes may take a few hours, while more involved repairs could take longer.
9. Can extreme weather conditions affect the occurrence of OBDII code U216B?
Extreme weather conditions such as extreme heat or cold can potentially impact the electrical components and wiring associated with the rear object detection control module, leading to the triggering of code U216B. Regular maintenance and inspections can help prevent weather-related issues.
10. Is OBDII code U216B a common issue in specific vehicle makes or models?
Code U216B related to lost communication with the rear object detection control module can occur in various vehicle makes and models equipped with this feature. It is not limited to a specific manufacturer but may be more prevalent in vehicles with advanced parking assistance systems.
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