U11C6
Lost Engine Torque Request Message
U11C6 is an OBD-II diagnostic trouble code meaning: Lost Engine Torque Request Message. Common causes: problems with the can bus (break, short circuit), engine control module (ecm) malfunction. Estimated repair cost: $17–111.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- The car goes into emergency mode
- Unstable engine operation
Causes
- Problems with the CAN bus (break, short circuit)
- Engine control module (ECM) malfunction
- Transmission control module (TCM) malfunction
- Problems with power supply or grounding of modules
- Damage to the wiring harness between modules
How to Fix
- Check the status of the CAN bus and connections
- Read error codes from all modules
- Check power and grounding of ECM and TCM
- Scan all modules for communication errors
- Replace damaged components if necessary
Related codes
FAQ
What does the U11C6 code mean?
U11C6 is an OBD-II diagnostic trouble code that indicates: Lost Engine Torque Request Message
What causes a U11C6 error code?
The most common causes of U11C6 include: Problems with the CAN bus (break, short circuit); Engine control module (ECM) malfunction; Transmission control module (TCM) malfunction; Problems with power supply or grounding of modules.
How do I fix a U11C6 diagnostic trouble code?
To fix U11C6: Check the status of the CAN bus and connections. Read error codes from all modules. Check power and grounding of ECM and TCM. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11C6?
Limited driving only, diagnose soon
How much does it cost to fix U11C6?
The estimated repair cost for U11C6 is $17–111. Actual cost depends on your vehicle, location, and labor rates.
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