U11C3 RAM Code - ESM Lost Communication With TCM On DPT CAN
Quick Answer
The Electronic Shift Module (ESM) communicates with other controllers on the Controller Area Network (CAN) Dedicated Powertrain (DPT) bus. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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
- U11C3 RAM indicates ESM Lost Communication With TCM On DPT CAN.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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 U11C3 RAM Description
What are the Possible Causes of the DTC U11C3 RAM?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
- Faulty Electronic Shift Module (ESM)
How to Fix the DTC U11C3 RAM?
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 U11C3 RAM 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.
Need more information about the U11C3 RAM code?
Need more information on how to fix the U11C3 RAM code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U11C3 RAM code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U11C3 RAM Code
1. What does the OBDII code U11C3 RAM mean?
- The code U11C3 RAM stands for "ESM Lost Communication With TCM On DPT CAN." It indicates a communication issue between the Electronic Shift Module (ESM) and the Transmission Control Module (TCM) over the Data Link Connector Powertrain Controller Area Network (DPT CAN).
2. What are the common symptoms of U11C3 RAM code?
- Common symptoms of the U11C3 RAM code may include transmission shifting issues, hesitation or loss of power, illuminated Check Engine Light, and potentially the vehicle going into limp mode.
3. What are the possible causes of U11C3 RAM code?
- The U11C3 RAM code can be triggered by various factors such as faulty wiring or connections between the ESM and TCM, a defective ESM or TCM module, damaged CAN bus circuits, or software communication errors.
4. How can I diagnose the U11C3 RAM code?
- To diagnose the U11C3 RAM code, a professional diagnostic scan tool is typically used to retrieve and interpret the trouble codes. Additionally, a thorough inspection of the wiring harness, connectors, and modules involved in the ESM and TCM communication should be conducted.
5. What are the repair options for U11C3 RAM code?
- Repair options for the U11C3 RAM code may include checking and repairing any damaged wiring or connectors, ensuring proper module connections, updating software if necessary, and replacing faulty ESM or TCM modules if diagnosed as defective.
6. Can I drive my vehicle with the U11C3 RAM code present?
- It is not recommended to drive the vehicle with the U11C3 RAM code present, as it can lead to potential transmission problems and safety issues. It is advisable to address the underlying communication problem promptly.
7. Is the U11C3 RAM code a common issue in specific vehicle models?
- The U11C3 RAM code can occur in various vehicle makes and models equipped with OBDII systems. However, some models may have a higher incidence of this communication fault, requiring specific attention.
8. How much does it typically cost to repair the U11C3 RAM code?
- The cost of repairing the U11C3 RAM code can vary depending on the root cause of the communication issue, the extent of the repair needed, and labor rates. It is advisable to obtain quotes from reputable automotive shops for an accurate estimate.
9. Can a DIY enthusiast fix the U11C3 RAM code at home?
- While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing the U11C3 RAM code may require specialized tools, technical knowledge, and skills. It is recommended to consult with a professional mechanic for proper diagnosis and repair.
10. How can I prevent the U11C3 RAM code from reoccurring in the future?
- To prevent the U11C3 RAM code from reoccurring, it is essential to maintain regular vehicle maintenance, address any communication issues promptly, ensure proper wiring and connections, and follow manufacturer-recommended service schedules. Regular diagnostics can also help identify potential problems early.
Discuss the causes and fixes for U11C3 RAM OBDII Code
Code U11C3 RAM 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.
