U1186 Dodge Code - Lost Communication With Adaptive Cruise Control Module
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) doesn't receive a bus message from the Cruise Control Module for a specific amount of time. Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise 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
- U1186 Dodge indicates Lost Communication With Adaptive Cruise Control Module.
- Common causes
- Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise 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 U1186 Dodge Description
What are the Possible Causes of the DTC U1186 Dodge?
- Faulty Cruise Control Module
- Cruise Control Module harness is open or shorted
- Cruise Control Module circuit poor electrical connection
How to Fix the DTC U1186 Dodge?
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 U1186 Dodge 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 U1186 Dodge Code
1. What are the common symptoms of OBDII code U1186 in a Dodge vehicle related to the Adaptive Cruise Control Module?
- Common symptoms include the cruise control system not working, the adaptive cruise control not functioning properly, and the illumination of the check engine light.
2. What are some possible causes of the U1186 code indicating a lost communication with the Adaptive Cruise Control Module in a Dodge?
- Possible causes include a faulty cruise control module, damaged wiring or connectors, a blown fuse, software issues, or a malfunctioning powertrain control module.
3. How can I diagnose the U1186 code in my Dodge to pinpoint the issue with the Adaptive Cruise Control Module?
- Diagnosing the U1186 code typically involves using an OBDII scanner to retrieve the specific fault codes, checking the wiring and connectors for any damage, and performing a thorough inspection of the cruise control system components.
4. Is it safe to continue driving my Dodge with the U1186 code related to the Adaptive Cruise Control Module issue?
- While the vehicle should still be safe to drive, it is recommended to address the issue promptly to ensure the proper functioning of the cruise control system and avoid any potential safety hazards.
5. Can I repair the U1186 code related to the Adaptive Cruise Control Module in my Dodge on my own?
- Depending on your level of automotive expertise, you may be able to address the issue yourself by checking and repairing any damaged wiring or connectors, or by replacing the cruise control module if necessary.
6. How much does it typically cost to repair the U1186 code indicating a lost communication with the Adaptive Cruise Control Module in a Dodge?
- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred dollars for simple fixes like replacing a fuse or connector, to over a thousand dollars for more complex repairs involving module replacement.
7. Are there any preventive maintenance tips to avoid encountering the U1186 code related to the Adaptive Cruise Control Module in my Dodge?
- To prevent issues with the Adaptive Cruise Control Module, it is recommended to regularly inspect and maintain the cruise control system components, check for any signs of wear or damage, and address any warning lights or unusual behavior promptly.
8. Will resetting the OBDII code U1186 related to the Adaptive Cruise Control Module in my Dodge make the issue go away permanently?
- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the lost communication with the Adaptive Cruise Control Module. It is crucial to diagnose and repair the issue to prevent it from recurring.
9. Can extreme weather conditions or environmental factors contribute to triggering the U1186 code in a Dodge vehicle with Adaptive Cruise Control?
- While rare, extreme weather conditions or environmental factors such as water ingress, corrosion, or extreme temperatures can potentially lead to communication issues with the Adaptive Cruise Control Module, triggering the U1186 code.
10. How long does it typically take to repair the U1186 code indicating a lost communication with the Adaptive Cruise Control Module in a Dodge?
- The repair time can vary depending on the specific cause of the issue and the complexity of the repair. Simple fixes like replacing a fuse or connector may take less than an hour, while more involved repairs could take several hours or even a day.
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