U11DA
Lost Driver Brake Torque Request Data
U11DA is an OBD-II diagnostic trouble code meaning: Lost Driver Brake Torque Request Data. Common causes: problems with the can bus (break, short circuit), malfunction of the brake system control unit. Estimated repair cost: $56–278.
Symptoms
- The malfunction indicator light comes on
- Deterioration in the performance of braking assistance systems
- Unstable behavior of the car when braking
- The appearance of other related errors in the system
- Reduced braking performance
Causes
- Problems with the CAN bus (break, short circuit)
- Malfunction of the brake system control unit
- Problems with power supply or grounding of the ECU
- Damage to the wiring harness between modules
- Software error in one of the ECUs
How to Fix
- Check the integrity of the CAN bus and connections between modules
- Diagnose the brake system control unit
- Check power supply and grounding of all associated ECUs
- Update ECU software (if available)
- Check wiring harness for damage
Related codes
FAQ
What does the U11DA code mean?
U11DA is an OBD-II diagnostic trouble code that indicates: Lost Driver Brake Torque Request Data
What causes a U11DA error code?
The most common causes of U11DA include: Problems with the CAN bus (break, short circuit); Malfunction of the brake system control unit; Problems with power supply or grounding of the ECU; Damage to the wiring harness between modules.
How do I fix a U11DA diagnostic trouble code?
To fix U11DA: Check the integrity of the CAN bus and connections between modules. Diagnose the brake system control unit. Check power supply and grounding of all associated ECUs. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11DA?
Do not drive — repair immediately
How much does it cost to fix U11DA?
The estimated repair cost for U11DA is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat