U11C3 Chrysler Code - ESM Lost Communication With TCM On DPT CAN
Quick Answer
The U11C3 Chrysler diagnostic trouble code (DTC) indicates that there is a communication issue between the Electronic Shift Module (ESM) and the Transmission Control Module (TCM) on the Diagnostic Protocol Transport Controller Area Network (DPT CAN) bus. Common causes include Faulty ESM or TCM, Wiring issues or loose connections, Software glitches in the 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
- U11C3 Chrysler indicates ESM Lost Communication With TCM On DPT CAN.
- Common causes
- Common causes include Faulty ESM or TCM, Wiring issues or loose connections, Software glitches in the 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 U11C3 Chrysler Description
The U11C3 Chrysler diagnostic trouble code (DTC) indicates that there is a communication issue between the Electronic Shift Module (ESM) and the Transmission Control Module (TCM) on the Diagnostic Protocol Transport Controller Area Network (DPT CAN) bus. The ESM is responsible for controlling the gear selection in the vehicle, while the TCM manages the transmission's operation. When these modules are unable to communicate effectively, it can lead to a variety of issues that affect the vehicle's performance.
Common Causes of U11C3 Chrysler
- Faulty ESM or TCM
- Wiring issues or loose connections
- Software glitches in the modules
- Damage to the CAN bus communication network
Symptoms of U11C3 Chrysler
- Erratic shifting or difficulty changing gears
- Transmission slipping or jerking
- Vehicle going into limp mode
- Inability to start the vehicle
How to Fix U11C3 Chrysler
- Perform a diagnostic scan to confirm the U11C3 code and identify the specific module causing the communication issue.
- Inspect the wiring and connections between the ESM and TCM for any damage or corrosion, repairing or replacing as needed.
- Update the software in the modules to the latest version to address any software glitches.
- Replace the faulty ESM or TCM if necessary to restore proper communication between the modules.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix U11C3 Chrysler
The typical repair costs for addressing the U11C3 Chrysler code can range from $200 to $800, depending on the specific cause of the communication error and the cost of parts and labor. It is important to note that diagnosis time and labor rates can vary, so it is recommended to obtain quotes from local auto repair shops for a more accurate estimate. Labor rates typically range from $80 to $150 per hour, with rates potentially higher at dealerships or metropolitan areas.
Need more information about the U11C3 Chrysler code?
Need more information on how to fix the U11C3 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U11C3 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U11C3 Chrysler Code
1. What does the OBDII code U11C3 mean on a Chrysler vehicle?
The U11C3 code indicates that the Electronic Shift Module (ESM) has lost communication with the Transmission Control Module (TCM) on the Drive Train CAN (DPT CAN) bus.
2. What are the common symptoms of the U11C3 code?
Symptoms may include a check engine light, transmission stuck in limp mode, difficulty shifting gears, or erratic transmission performance.
3. What causes the U11C3 code to appear on a Chrysler?
The code can be caused by faulty wiring or connectors in the CAN bus network, a malfunctioning ESM or TCM, or software-related communication issues.
4. Can a weak battery trigger the U11C3 code?
Yes, a weak or failing battery can cause voltage issues that may disrupt communication between the ESM and TCM, triggering the U11C3 code.
5. How do you diagnose the U11C3 code?
Diagnosis involves inspecting the CAN bus wiring and connectors for damage, checking the ESM and TCM for faults, and using a scan tool to verify communication on the DPT CAN network.
6. Can the U11C3 code cause transmission failure?
While the code itself does not cause physical transmission damage, it can lead to improper shifting or limp mode, which may affect drivability.
7. What are the repair options for the U11C3 code?
Repairs may include fixing or replacing damaged wiring or connectors, updating or reprogramming the ESM/TCM software, or replacing a faulty ESM or TCM.
8. Is it safe to drive with the U11C3 code present?
Driving with the U11C3 code is not recommended, as the vehicle may enter limp mode or experience shifting issues that could affect safety.
9. How much does it cost to fix the U11C3 code?
The repair cost varies depending on the issue but typically ranges from $100 for wiring repairs to over $1,000 if a module replacement is needed.
10. Can clearing the code with a scan tool fix the U11C3 issue?
Clearing the code may temporarily remove the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for U11C3 Chrysler OBDII Code
Code U11C3 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.