U1186 Chrysler 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 Chrysler 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 Chrysler Description
What are the Possible Causes of the DTC U1186 Chrysler?
- 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 Chrysler?
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 Chrysler 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 Chrysler Code
1. What are the common symptoms of OBDII code U1186 in a Chrysler indicating lost communication with the Adaptive Cruise Control Module?
- Common symptoms include the cruise control not functioning, warning lights on the dashboard, and potential issues with vehicle speed control.
2. What are some possible causes of OBDII code U1186 in a Chrysler related to the loss of communication with the Adaptive Cruise Control Module?
- Possible causes include faulty wiring or connections, a malfunctioning cruise control module, or issues with the vehicle's electronic control unit (ECU).
3. How can I diagnose the root cause of OBDII code U1186 in my Chrysler when it indicates lost communication with the Adaptive Cruise Control Module?
- Diagnose the issue by checking the wiring and connections related to the cruise control system, inspecting the cruise control module for faults, and scanning the ECU for any related error codes.
4. Is it safe to continue driving my Chrysler with OBDII code U1186 signaling lost communication with the Adaptive Cruise Control Module?
- It is generally safe to drive the vehicle without the cruise control function, but it is recommended to have the issue diagnosed and repaired to ensure overall vehicle performance.
5. Can I repair OBDII code U1186 in my Chrysler indicating lost communication with the Adaptive Cruise Control Module by myself?
- Depending on your level of automotive expertise, you may be able to diagnose and repair the issue yourself by checking connections, wiring, and components related to the cruise control system.
6. Are there any specific repair tips for resolving OBDII code U1186 in a Chrysler attributed to the loss of communication with the Adaptive Cruise Control Module?
- Repair tips include checking for loose or damaged wiring, ensuring proper connections, and consulting the vehicle's service manual for detailed troubleshooting steps.
7. What are the potential long-term effects of ignoring OBDII code U1186 in a Chrysler related to lost communication with the Adaptive Cruise Control Module?
- Ignoring the issue can lead to continued malfunction of the cruise control system, potential strain on other vehicle components, and increased fuel consumption due to the lack of cruise control efficiency.
8. How much does it typically cost to repair OBDII code U1186 in a Chrysler caused by lost communication with the Adaptive Cruise Control Module?
- Repair costs can vary depending on the root cause of the issue, but they may include expenses for parts replacement, labor, and diagnostic services from a qualified mechanic or dealership.
9. Can extreme weather conditions or environmental factors contribute to triggering OBDII code U1186 in a Chrysler related to lost communication with the Adaptive Cruise Control Module?
- Extreme weather or environmental factors such as water damage, corrosion, or exposure to harsh conditions can potentially impact the functionality of the cruise control system and trigger communication errors.
10. Is it necessary to reset or clear the OBDII code U1186 in a Chrysler after resolving the issue of lost communication with the Adaptive Cruise Control Module?
- It is recommended to clear the error code after repairing the issue to reset the vehicle's onboard computer system and ensure that the problem has been successfully addressed.
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