[SOLVED] Fixing U1216 Code: Can Controller Communication Error

The automobile fault code U1216 indicates a problem with the Audio and Video (AV) Control Unit, which can cause the engine light to turn on. This fault code can be caused by a faulty AV Control Unit, an open or shorted AV Control Unit harness, or a poor electrical connection in the AV Control Unit circuit.

To fix this issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins. The repair time for this fault code is estimated to be 1.0. It is important to interpret the fault code correctly to ensure that the issue is resolved effectively.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of u1216 fault code.

Here are the symptoms to look out for:

  • The U1216 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the ABS system, problems with the speedometer, and difficulty shifting gears.
  • Additionally, the vehicle may experience a loss of power or acceleration, and the transmission may go into limp mode.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code u1216 can be caused by various factors, including a faulty AV control unit, open or shorted harness, and poor electrical connection.

  • The automobile fault code U1216 can be caused by a faulty Audio and Video (AV) Control Unit.
  • It can also be caused by an open or shorted Audio and Video Control Unit harness.
  • Additionally, a poor electrical connection in the Audio and Video Control Unit circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code u1216, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u1216, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code U1216 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

Therefore, the total cost of fixing the U1216 fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to diagnose and fix the issue.

The U1216 fault code is related to the Audio and Video (AV) Control Unit of the automobile.

It is the master unit of the MULTI AV system and operates each system according to communication signals from the AV control unit. The code sets when an internal malfunction of the AV Control Unit (CAN controller) is detected.

It is connected to ECM and combination meter via CAN communication to obtain necessary information for the vehicle information function.

What are the possible causes of the u1216 automobile fault code?

If your engine light is on and you’re seeing the u1216 fault code, it could be due to a faulty Audio and Video (AV) Control Unit, an open or shorted harness, or poor electrical connection in the circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can the AV Control Unit harness be checked for faults in case of the u1216 fault code?

If you’re experiencing the u1216 fault code, indicated by the Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Audio and Video (AV) Control Unit, an open or shorted AV Control Unit harness, or a poor electrical connection in the AV Control Unit circuit. To fix this issue, visually inspect the related wiring harness and connectors, checking for damaged components and broken, bent, pushed out, or corroded connector’s pins.

What steps should be taken to fix the u1216 fault code in an automobile?

If you’re experiencing the u1216 fault code in your automobile, you may notice that the engine light is on or the service engine soon warning light is illuminated. This issue is typically caused by a faulty Audio and Video (AV) Control Unit, an open or shorted AV Control Unit harness, or a poor electrical connection in the AV Control Unit circuit. To fix the problem, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

u1216 error fault code explained

If your engine light is on, it could be due to a faulty Audio and Video Control Unit or a poor electrical connection.

To fix it, visually inspect the wiring harness and connectors for damage or corrosion. Check for broken or bent pins.

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