U11C2 Code - Lost Tranmission Message
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) has not received a Bus message from the Transmission Control Module (TCM) for approximately 500ms. 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
- U11C2 indicates Lost Tranmission Message.
- 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 U11C2 Description
What are the Possible Causes of the DTC U11C2?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC U11C2?
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 U11C2 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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Information for Specific Makes
- U11C2 Chrysler — Lost Tranmission Message
- U11C2 Dodge — Lost Tranmission Message
- U11C2 Jeep — Lost Tranmission Message
- U11C2 RAM — Lost Tranmission Message
Frequently Asked Questions about U11C2 Code
1. What are the common symptoms of OBDII code U11C2 (Lost Transmission Message)?
- Common symptoms include transmission shifting issues, hesitation, or slipping, illuminated transmission warning light, and decreased fuel efficiency.
2. What are the possible causes of OBDII code U11C2 (Lost Transmission Message)?
- Potential causes may include faulty transmission control module (TCM), damaged wiring or connectors in the transmission system, software issues, or communication errors between modules.
3. How can I diagnose the OBDII code U11C2 (Lost Transmission Message)?
- Diagnosis typically involves using an OBDII scanner to read and interpret the code, checking for related codes, inspecting the transmission components, and testing the TCM and wiring for proper functionality.
4. What are some repair tips for addressing OBDII code U11C2 (Lost Transmission Message)?
- Repair tips may include resetting the code and performing a TCM reset, inspecting and repairing any damaged wiring or connectors, updating software if available, and replacing the TCM if necessary.
5. Can driving with OBDII code U11C2 (Lost Transmission Message) cause further damage to the vehicle?
- Continuing to drive with this code may potentially lead to further transmission damage or performance issues, so it is advisable to address the underlying problem promptly.
6. Is it safe to ignore OBDII code U11C2 (Lost Transmission Message) and continue driving the vehicle?
- Ignoring this code can result in potential transmission problems worsening over time, so it is recommended to address the issue as soon as possible to prevent further damage.
7. How much does it cost to repair OBDII code U11C2 (Lost Transmission Message)?
- Repair costs can vary depending on the specific cause of the code, but it may range from a simple wiring repair to a more extensive TCM replacement, potentially costing several hundred dollars.
8. Can I reset OBDII code U11C2 (Lost Transmission Message) on my own?
- It is possible to reset the code using an OBDII scanner, but it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.
9. Will OBDII code U11C2 (Lost Transmission Message) cause my vehicle to fail an emissions test?
- This code may trigger a check engine light and cause a failed emissions test, depending on local regulations, so it is advisable to address the issue before undergoing an emissions test.
10. How long does it typically take to repair OBDII code U11C2 (Lost Transmission Message)?
- The repair time can vary based on the specific cause of the code and the complexity of the repair; it may range from a quick wiring fix to a more involved TCM replacement, potentially taking a few hours to a day.
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