OBD Guide
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U11D5

Lost Driver Brake Torque Request Data

U11D5 is an OBD-II diagnostic trouble code meaning: Lost Driver Brake Torque Request Data. Common causes: broken or damaged wires in the can bus, brake module malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration in braking performance
  • Unstable engine operation when braking
  • Loss of data on the dashboard

Causes

  • Broken or damaged wires in the CAN bus
  • Brake module malfunction
  • Problems with the engine control unit (ECU)
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the CAN bus and wiring harness
  2. Diagnose the brake system module
  3. Check connections and connectors for corrosion
  4. Scan the system for additional errors
  5. If necessary, replace faulty components

Related codes

U11D4U11D6U11D7

FAQ

What does the U11D5 code mean?

U11D5 is an OBD-II diagnostic trouble code that indicates: Lost Driver Brake Torque Request Data

What causes a U11D5 error code?

The most common causes of U11D5 include: Broken or damaged wires in the CAN bus; Brake module malfunction; Problems with the engine control unit (ECU); Corrosion or poor contact in connectors.

How do I fix a U11D5 diagnostic trouble code?

To fix U11D5: Check the integrity of the CAN bus and wiring harness. Diagnose the brake system module. Check connections and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11D5?

Limited driving only, diagnose soon

How much does it cost to fix U11D5?

The estimated repair cost for U11D5 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat