U1149 Chrysler Code - Lost Communication With Multi-Function Switch
Quick Answer
The Powertrain Control Module (PCM) monitors the Multi-Function Switch. Common causes include Faulty Left Multifunction Switch, Left Multifunction Switch harness is open or shorted, Left Multifunction Switch 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
- U1149 Chrysler indicates Lost Communication With Multi-Function Switch.
- Common causes
- Common causes include Faulty Left Multifunction Switch, Left Multifunction Switch harness is open or shorted, Left Multifunction Switch 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 U1149 Chrysler Description
What are the Possible Causes of the DTC U1149 Chrysler?
- Faulty Left Multifunction Switch
- Left Multifunction Switch harness is open or shorted
- Left Multifunction Switch circuit poor electrical connection
How to Fix the DTC U1149 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 U1149 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 U1149 Chrysler Code
1. What are the common symptoms of OBDII code U1149 Chrysler, "Lost Communication With Multi-Function Switch"?
- Common symptoms include non-functioning turn signals, malfunctioning windshield wipers, and issues with other multi-function switch-controlled functions.
2. What are the possible causes of the U1149 code in a Chrysler vehicle?
- The U1149 code can be triggered by a faulty multi-function switch, damaged wiring or connectors, a malfunctioning Body Control Module (BCM), or a communication network issue.
3. How can I diagnose the U1149 code related to lost communication with the multi-function switch in my Chrysler vehicle?
- Proper diagnosis involves using an OBDII scanner to retrieve the code, inspecting the multi-function switch for physical damage, checking the wiring and connectors for any issues, and testing the BCM for functionality.
4. Can I repair the U1149 code issue on my Chrysler at home?
- Depending on the cause of the code, some repairs may be possible at home, such as replacing the multi-function switch or repairing damaged wiring. However, complex issues with the BCM or communication network may require professional diagnosis and repair.
5. Will driving with the U1149 code present cause any harm to my Chrysler vehicle?
- While driving with the U1149 code may not immediately harm your vehicle, it is not recommended as it can lead to safety hazards due to non-functioning turn signals and other essential functions controlled by the multi-function switch.
6. How much does it typically cost to repair the U1149 code related to lost communication with the multi-function switch in a Chrysler vehicle?
- The cost of repairing the U1149 code can vary depending on the underlying cause. Simple repairs like replacing the multi-function switch may cost a few hundred dollars, while more complex issues involving the BCM or wiring can cost more.
7. Can resetting the OBDII code U1149 Chrysler temporarily fix the issue?
- Resetting the code may temporarily clear the warning light, but if the underlying issue with the multi-function switch or communication network is not addressed, the code is likely to reappear.
8. Is it safe to continue driving my Chrysler if the U1149 code has been triggered?
- It is not advisable to continue driving your Chrysler with the U1149 code present, as it can lead to safety risks due to the potential non-functioning of critical vehicle systems controlled by the multi-function switch.
9. How long does it typically take to repair the U1149 code on a Chrysler vehicle?
- The repair time for the U1149 code can vary depending on the diagnostic process and the complexity of the issue. Simple repairs may take a few hours, while more involved repairs may take longer.
10. Can I prevent the U1149 code from occurring in my Chrysler vehicle?
- Regular maintenance, such as checking and replacing the multi-function switch when needed, ensuring proper wiring connections, and addressing any electrical issues promptly, can help prevent the U1149 code from occurring.
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