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C168C Toyota Code - AVC-LAN Command Time Out

Quick Answer

The C168C diagnostic trouble code (DTC) for Toyota vehicles refers to an AVC-LAN Command Time Out. Common causes include Loose or damaged wiring connections in the AVC-LAN network, Faulty multimedia components such as radios or navigation units, Software glitches in the multimedia systems. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C168C Toyota indicates AVC-LAN Command Time Out.
Common causes
Common causes include Loose or damaged wiring connections in the AVC-LAN network, Faulty multimedia components such as radios or navigation units, Software glitches in the multimedia systems.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code C168C Toyota Description

The C168C diagnostic trouble code (DTC) for Toyota vehicles refers to an AVC-LAN Command Time Out. AVC-LAN stands for Audio Visual Communication Local Area Network, which is a network system used in modern vehicles to connect various multimedia components such as radios, CD players, navigation systems, and displays. When the vehicle's onboard computer detects a time out in the communication on the AVC-LAN network, it triggers the C168C code.

OBDII Code C168C Toyota - AVC-LAN Command Time Out
C168C Toyota Code - AVC-LAN Command Time Out

Common Causes of C168C Toyota

  1. Loose or damaged wiring connections in the AVC-LAN network.
  2. Faulty multimedia components such as radios or navigation units.
  3. Software glitches in the multimedia systems.
  4. Electrical interference from other vehicle systems.
  5. Water damage or corrosion in the AVC-LAN network components.

Symptoms of C168C Toyota

  1. Radio or navigation system not responding to inputs.
  2. Display screens showing error messages or freezing.
  3. Loss of audio output from speakers.
  4. Inability to access multimedia features such as Bluetooth or USB connectivity.

How to Fix C168C Toyota

  1. Begin by conducting a thorough inspection of the AVC-LAN network wiring and connections to identify any loose or damaged components.
  2. Use a diagnostic tool to scan for specific fault codes related to the AVC-LAN network and multimedia systems.
  3. Test the functionality of multimedia components individually to pinpoint the source of the time out issue.
  4. Repair or replace any faulty wiring, connections, or components in the AVC-LAN network.
  5. Clear the DTC from the vehicle's onboard computer and test the multimedia systems to ensure proper operation.

Cost to Fix C168C Toyota

The typical repair costs for addressing a C168C AVC-LAN Command Time Out code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, parts and labor for this type of repair could range from $200 to $500. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

What does this mean?

Tech Notes for C168C Toyota

This Diagnostic Trouble Code (DTC) may be stored due to the battery condition or changes in the power supply waveform when starting the engine, even though there is no problem with the Audio Visual Communication-Local Area Network (AVC-LAN) communication system.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C168C Toyota Code

1. What are the common symptoms of OBDII code C168C in a Toyota related to AVC-LAN Command Time Out?

The common symptoms include intermittent or complete loss of communication with the audio/video/navigation system, malfunctioning touch screen display, and unresponsive controls.

2. What could be the possible causes of OBDII code C168C related to AVC-LAN Command Time Out in a Toyota?

The code C168C is often triggered by issues with the AVC-LAN communication network, such as loose or damaged wiring, faulty connectors, or a malfunctioning audio/video/navigation unit.

3. How can I diagnose the OBDII code C168C in my Toyota related to AVC-LAN Command Time Out?

Diagnosing the code C168C typically involves inspecting the AVC-LAN wiring and connectors for any visible damage, testing the communication signals, and using a diagnostic scanner to check for trouble codes in the audio/video/navigation system.

4. What are some repair tips for resolving OBDII code C168C in a Toyota related to AVC-LAN Command Time Out?

Repair tips may include repairing or replacing damaged wiring and connectors, ensuring proper connection of the audio/video/navigation unit, resetting the system, and updating the software if available.

5. Can I drive my Toyota with OBDII code C168C related to AVC-LAN Command Time Out?

It is generally safe to drive the vehicle with the OBDII code C168C, but it is recommended to address the underlying issue as soon as possible to prevent further complications with the audio/video/navigation system.

6. How much does it typically cost to repair OBDII code C168C related to AVC-LAN Command Time Out in a Toyota?

The cost of repairing the OBDII code C168C can vary depending on the exact cause of the issue and whether it can be resolved by simple fixes like repairing wiring or if more extensive repairs are needed.

7. Are there any common DIY solutions for fixing OBDII code C168C in a Toyota related to AVC-LAN Command Time Out?

While some basic troubleshooting steps like checking wiring connections can be done by DIY enthusiasts, resolving the underlying cause of the code C168C may require professional diagnostic equipment and expertise.

8. Will resetting the OBDII system clear the code C168C related to AVC-LAN Command Time Out in my Toyota?

Resetting the OBDII system may temporarily clear the code C168C, but if the underlying issue with the AVC-LAN communication network is not resolved, the code is likely to reappear.

9. Is OBDII code C168C related to AVC-LAN Command Time Out a common issue in Toyota vehicles?

The OBDII code C168C related to AVC-LAN Command Time Out is not uncommon in Toyota vehicles, especially in models equipped with advanced audio/video/navigation systems that rely on the AVC-LAN network for communication.

10. Can a malfunctioning audio/video/navigation system cause OBDII code C168C related to AVC-LAN Command Time Out in a Toyota?

Yes, a malfunctioning audio/video/navigation system can be a contributing factor to triggering the OBDII code C168C, especially if there are communication issues within the AVC-LAN network.

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