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U18B0 GMC Code - Lost Communications With Instrument Cluster On Ethernet Bus

- Code Popularity: 221 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By - Updated Jun 08, 2020
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|U18B0 GMC code possible causes

  • Faulty Instrument Cluster
  • Instrument Cluster harness is open or shorted
  • Instrument Cluster circuit poor electrical connection

|How do I fix code U18B0 GMC code?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your car have Safety Recalls? → Check here

|Cost of diagnosing U18B0 GMC code

Labor: 1.0

The cost of diagnosing the U18B0 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are U18B0 GMC code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|U18B0 GMC code description

At the core of the infotainment system is the Radio Ethernet Audio Video Bridging switch which communicates directly to each contributing Infotainment control module terminator. The Ethernet harness consists of twisted pair wires from point to point. Each control module on the Ethernet infotainment system sends/receives data at 100 Mbit/s to/from a specified port at the Radio. The Radio Ethernet will also be used to program USB software update files to the control modules connected to the Ethernet ports. The Diagnostic Trouble Code (DTC) will set a supervised periodic message that includes the transmitter device availability that has not been received.

OBDII Code u18b0 gmc - Lost Communications With Instrument Cluster On Ethernet Bus -
U18B0 GMC Code - Lost Communications With Instrument Cluster On Ethernet Bus

|Need more information with the U18B0 GMC code?

Need more information on how to fix the U18B0 GMC code? Get Access to Factory Service Manuals

|Need help with a U18B0 GMC code?

Get the u18b0 gmc code diagnosed by a professional: Find a repair shop in your area

|U18B0 GMC code comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the u18b0 gmc code? Have you replaced any parts?
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