U11C1 Chrysler Code - Reductant Control Module Received Implausible Data From ECM/PCM
Quick Answer
The U11C1 Chrysler code indicates that the Reductant Control Module (RCM) has received implausible data from the Engine Control Module/Powertrain Control Module (ECM/PCM). Common causes include Faulty Reductant Control Module, Faulty Engine Control Module/Powertrain Control Module, Wiring or connection issues between modules. 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
- U11C1 Chrysler indicates Reductant Control Module Received Implausible Data From ECM/PCM.
- Common causes
- Common causes include Faulty Reductant Control Module, Faulty Engine Control Module/Powertrain Control Module, Wiring or connection issues between modules.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U11C1 Chrysler Description
The U11C1 Chrysler code indicates that the Reductant Control Module (RCM) has received implausible data from the Engine Control Module/Powertrain Control Module (ECM/PCM). The Reductant Control Module is responsible for controlling the operation of the Selective Catalytic Reduction (SCR) system in the vehicle. The SCR system is an emissions control technology that uses a reductant, such as diesel exhaust fluid (DEF), to reduce harmful nitrogen oxides (NOx) emissions from the vehicle's exhaust.
Common Causes of U11C1 Chrysler
- Faulty Reductant Control Module
- Faulty Engine Control Module/Powertrain Control Module
- Wiring or connection issues between modules
- Corrosion or damage to electrical connectors
- Software issues or programming errors
Symptoms of U11C1 Chrysler
- Check engine light illuminated
- Reduced power or limp mode
- Poor fuel efficiency
- Failed emissions test
- Increased NOx emissions
How to Fix U11C1 Chrysler
- Diagnose the code using a diagnostic scanner to pinpoint the exact cause of the communication error.
- Inspect wiring and connectors between the Reductant Control Module and Engine Control Module/Powertrain Control Module for any damage or corrosion.
- Test the Reductant Control Module and Engine Control Module/Powertrain Control Module for proper operation.
- Replace any faulty modules, wiring, or connectors as needed.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix U11C1 Chrysler
The cost of repairing the U11C1 Chrysler code can vary depending on the specific cause of the issue and the extent of the repair needed. Generally, replacing a faulty module or repairing wiring/connectors can range from $200 to $600 or more. Labor costs can also vary, with hourly rates typically between $80 and $150. It is advisable to consult with a professional mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle.
Need more information about the U11C1 Chrysler code?
Need more information on how to fix the U11C1 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U11C1 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U11C1 Chrysler Code
1. What are the common symptoms of OBDII code U11C1 in a Chrysler vehicle?
- Common symptoms include the Check Engine light illuminating, reduced engine performance, and potential issues with the vehicle's emissions system.
2. What does the U11C1 code mean in a Chrysler vehicle?
- The U11C1 code indicates that the Reductant Control Module has received implausible data from the Engine Control Module/Powertrain Control Module (ECM/PCM).
3. What are the possible causes of the U11C1 code in a Chrysler vehicle?
- Possible causes include a faulty Reductant Control Module, issues with the ECM/PCM communication, wiring problems, or a software glitch.
4. How can I diagnose the U11C1 code in my Chrysler vehicle?
- Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking for any related codes, inspecting the wiring and connectors, and testing the Reductant Control Module and ECM/PCM communication.
5. Can the U11C1 code be triggered by a loose gas cap in a Chrysler vehicle?
- While a loose gas cap can trigger some codes related to the emissions system, the U11C1 code specifically pertains to communication issues between the Reductant Control Module and ECM/PCM.
6. What are some repair tips for resolving the U11C1 code in a Chrysler vehicle?
- Repair tips may include checking and repairing any damaged wiring, ensuring proper connections, updating software if available, and replacing the Reductant Control Module if necessary.
7. Is it safe to continue driving with the U11C1 code illuminated in a Chrysler vehicle?
- It is recommended to address the underlying issue causing the U11C1 code as soon as possible to prevent potential damage to the emissions system and ensure optimal vehicle performance.
8. Can a DIY enthusiast fix the U11C1 code issue in a Chrysler vehicle?
- Depending on the cause of the code, some DIY enthusiasts may be able to address the issue by checking connections and wiring. However, more complex issues may require professional diagnosis and repair.
9. How much does it typically cost to repair the U11C1 code in a Chrysler vehicle?
- The cost of repair can vary depending on the specific cause of the code and whether any parts need to be replaced. It is advisable to consult a mechanic for a more accurate estimate.
10. Will resetting the OBDII code U11C1 in a Chrysler vehicle make it go away permanently?
- Simply resetting the code may temporarily turn off the Check Engine light, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.
Discuss the causes and fixes for U11C1 Chrysler OBDII Code
Code U11C1 Chrysler comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.