OBD Guide
ENFRDEESPT

U11C7

Lost Maximum Engine Torque Message

U11C7 is an OBD-II diagnostic trouble code meaning: Lost Maximum Engine Torque Message. Common causes: broken or damaged can bus wires, corrosion of contacts in connectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Switching to emergency mode
  • Reduced engine power
  • The Check Engine light comes on
  • Unstable transmission operation
  • Errors in other systems

Causes

  • Broken or damaged CAN bus wires
  • Corrosion of contacts in connectors
  • Malfunction of one of the control modules
  • Software failure in the ECU
  • Problems with power supply of electronic modules

How to Fix

  1. Check the integrity of the CAN bus
  2. Inspect and clean all connectors
  3. Scan all modules for errors
  4. Update ECU software
  5. Check power supply of electronic modules

Related codes

U11C8U11C6U0121

FAQ

What does the U11C7 code mean?

U11C7 is an OBD-II diagnostic trouble code that indicates: Lost Maximum Engine Torque Message

What causes a U11C7 error code?

The most common causes of U11C7 include: Broken or damaged CAN bus wires; Corrosion of contacts in connectors; Malfunction of one of the control modules; Software failure in the ECU.

How do I fix a U11C7 diagnostic trouble code?

To fix U11C7: Check the integrity of the CAN bus. Inspect and clean all connectors. Scan all modules for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11C7?

Limited driving only, diagnose soon

How much does it cost to fix U11C7?

The estimated repair cost for U11C7 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat