OBD Guide
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U1154

Lost Communications With Rear Seat Entertainment Assembly

U1154 is an OBD-II diagnostic trouble code meaning: Lost Communications With Rear Seat Entertainment Assembly. Common causes: broken or damaged wires, poor contact in connectors. Estimated repair cost: $56–278.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Rear multimedia system does not work
  • Error message on display
  • No sound in the rear area
  • No response to the control panel
  • Intermittent system operation

Causes

  • Broken or damaged wires
  • Poor contact in connectors
  • Rear media module malfunction
  • Module power problems
  • Software glitch

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect and clean the connector contacts
  3. Check fuses and module power supply
  4. Reboot the system (disconnect the battery for 15 minutes)
  5. Flash or replace the rear multimedia module

Related codes

U1153U1155U1156

FAQ

What does the U1154 code mean?

U1154 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Rear Seat Entertainment Assembly

What causes a U1154 error code?

The most common causes of U1154 include: Broken or damaged wires; Poor contact in connectors; Rear media module malfunction; Module power problems.

How do I fix a U1154 diagnostic trouble code?

To fix U1154: Check the integrity of the wiring harness. Inspect and clean the connector contacts. Check fuses and module power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1154?

Yes, but get it checked soon

How much does it cost to fix U1154?

The estimated repair cost for U1154 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat