U1216 Infiniti Code - CAN Controller
Quick Answer
It is the master unit of the MULTI AV system and it is connected to each control unit by means of communication. Common causes include Faulty Audio and Video (AV) Control Unit, Audio and Video Control Unit harness is open or shorted, Audio and Video Control Unit circuit poor electrical connection. 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
- U1216 Infiniti indicates CAN Controller.
- Common causes
- Common causes include Faulty Audio and Video (AV) Control Unit, Audio and Video Control Unit harness is open or shorted, Audio and Video Control Unit circuit poor electrical connection.
- 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.
Code U1216 Infiniti Description
The Diagnostic Trouble Code (DTC) sets when an internal malfunction of the Audio and Video (AV) Control Unit (Controller Area Network (CAN) controller) is detected.
What are the Possible Causes of the DTC U1216 Infiniti?
- Faulty Audio and Video (AV) Control Unit
- Audio and Video Control Unit harness is open or shorted
- Audio and Video Control Unit circuit poor electrical connection
How to Fix the DTC U1216 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U1216 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about U1216 Infiniti Code
1. What does the OBDII code U1216 mean on an Infiniti?
U1216 indicates a communication issue with the CAN (Controller Area Network) system, typically involving the CAN controller or a related module.
2. What are the common symptoms of the U1216 code in an Infiniti?
Common symptoms include warning lights on the dashboard (like ABS, traction control, or check engine), erratic gauge readings, or impaired functionality of certain systems like stability control.
3. What causes the U1216 code to appear?
The code can be caused by a faulty CAN controller, damaged wiring or connectors, software glitches, or interference in the CAN communication network.
4. Can I drive my Infiniti with the U1216 code?
While the vehicle may still be drivable, the systems relying on CAN communication, such as ABS or stability control, might not function properly, posing a safety risk.
5. How do I diagnose the U1216 code on an Infiniti?
Start by scanning for related codes, inspecting the CAN network wiring for damage, checking module connections, and verifying proper voltage levels at the affected components.
6. What repairs are typically needed for the U1216 code?
Repairs may involve fixing or replacing damaged wiring, cleaning or securing loose connections, updating software, or replacing a faulty module or CAN controller.
7. Can a weak battery trigger the U1216 code in an Infiniti?
Yes, a weak or failing battery can cause voltage fluctuations, disrupting the CAN communication network and triggering the U1216 code.
8. How much does it cost to fix the U1216 code on an Infiniti?
Repair costs vary depending on the issue but can range from $100 for simple wiring fixes to $1,000 or more for module replacement or extensive repairs.
9. Will clearing the U1216 code fix the issue?
Clearing the code will turn off the warning temporarily, but if the underlying issue isn't resolved, the code will return.
10. Can outdated software cause the U1216 code in an Infiniti?
Yes, outdated or corrupted software in one of the vehicle’s modules can disrupt CAN communication and trigger the code.
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