OBD Guide
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U1167

Lost Communications With Rear Seat Audio Controller

U1167 is an OBD-II diagnostic trouble code meaning: Lost Communications With Rear Seat Audio Controller. Common causes: broken or damaged wires in the harness, malfunction of the rear seat audio controller. Estimated repair cost: $33–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Rear seat audio system does not work
  • There is no control of the audio system from the rear seats
  • Check Engine light comes on
  • There may be malfunctions in other systems
  • The error is stored in the ECU memory

Causes

  • Broken or damaged wires in the harness
  • Malfunction of the rear seat audio controller
  • Controller power problems
  • Short circuit in the circuit
  • Software error in the ECU

How to Fix

  1. Check the integrity of the wiring harness
  2. Check power and ground on the controller
  3. Diagnose the audio system controller itself
  4. Replace the controller if necessary
  5. Update ECU firmware if necessary

Related codes

U1168U1166U1169

FAQ

What does the U1167 code mean?

U1167 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Rear Seat Audio Controller

What causes a U1167 error code?

The most common causes of U1167 include: Broken or damaged wires in the harness; Malfunction of the rear seat audio controller; Controller power problems; Short circuit in the circuit.

How do I fix a U1167 diagnostic trouble code?

To fix U1167: Check the integrity of the wiring harness. Check power and ground on the controller. Diagnose the audio system controller itself. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1167?

Yes, but get it checked soon

How much does it cost to fix U1167?

The estimated repair cost for U1167 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat