OBD Guide
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C168C

AVC-LAN Command Time Out

C168C is an OBD-II diagnostic trouble code meaning: AVC-LAN Command Time Out. Common causes: open or short circuit in the avc-lan wiring harness, multimedia head unit malfunction. Estimated repair cost: $56–278.

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

Symptoms

  • Multimedia system does not work
  • No sound from the audio system
  • Navigation problem
  • Black display screen
  • Climate control malfunctions

Causes

  • Open or short circuit in the AVC-LAN wiring harness
  • Multimedia head unit malfunction
  • Media module power problems
  • Damage to AVC-LAN network connectors
  • Electronic module software failure

How to Fix

  1. AVC-LAN network diagnostics using an oscilloscope
  2. Checking the integrity of network wires and connectors
  3. Checking power supply and mass of multimedia modules
  4. Replacing a faulty media module
  5. Flashing module software

Related codes

U0029U0155B1298

FAQ

What does the C168C code mean?

C168C is an OBD-II diagnostic trouble code that indicates: AVC-LAN Command Time Out

What causes a C168C error code?

The most common causes of C168C include: Open or short circuit in the AVC-LAN wiring harness; Multimedia head unit malfunction; Media module power problems; Damage to AVC-LAN network connectors.

How do I fix a C168C diagnostic trouble code?

To fix C168C: AVC-LAN network diagnostics using an oscilloscope. Checking the integrity of network wires and connectors. Checking power supply and mass of multimedia modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C168C?

Yes, but get it checked soon

How much does it cost to fix C168C?

The estimated repair cost for C168C is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat