OBD Guide
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U11F5

Lost Communication With Compact Disc Module

U11F5 is an OBD-II diagnostic trouble code meaning: Lost Communication With Compact Disc Module. Common causes: open or short circuit in the power supply circuit of the cd module, faulty wiring harness to cd module. Estimated repair cost: $17–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • CD player does not work
  • No sound when trying to play a CD
  • Error message on the media screen
  • Loss of other media features
  • CD drive indicator flashing

Causes

  • Open or short circuit in the power supply circuit of the CD module
  • Faulty wiring harness to CD module
  • Failure of the CD module itself
  • Problems with the CAN bus
  • Head unit software failure

How to Fix

  1. Check the fuse of the CD module power supply circuit
  2. Inspect the wiring harness for damage
  3. Check power and ground at the CD module connector
  4. Try rebooting the head unit
  5. If necessary, replace the CD module

Related codes

U11F4U11F6U1100

FAQ

What does the U11F5 code mean?

U11F5 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Compact Disc Module

What causes a U11F5 error code?

The most common causes of U11F5 include: Open or short circuit in the power supply circuit of the CD module; Faulty wiring harness to CD module; Failure of the CD module itself; Problems with the CAN bus.

How do I fix a U11F5 diagnostic trouble code?

To fix U11F5: Check the fuse of the CD module power supply circuit. Inspect the wiring harness for damage. Check power and ground at the CD module connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11F5?

Yes, but get it checked soon

How much does it cost to fix U11F5?

The estimated repair cost for U11F5 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat