U18B3 GMC Code - Lost Communications With Navigation Control Module On Ethernet Bus
|U18B3 GMC code possible causes
- Faulty Navigation Control Module
- Navigation Control Module harness is open or shorted
- Navigation Control Module circuit poor electrical connection
|How do I fix the U18B3 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.
|Cost of diagnosing the U18B3 GMC code
Labor: 1.0The cost of diagnosing the U18B3 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|What are U18B3 GMC code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
|U18B3 GMC code descriptionAt 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.
|Need more information with the U18B3 GMC code?Need more information on how to fix the U18B3 GMC code?
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|Need help with a U18B3 GMC code?Get the U18b3 Gmc code diagnosed by a professional: Find a repair shop in your area
|U18B3 GMC code commentsHelp us improve AutoCodes.com. 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 U18b3 Gmc code? Have you replaced any parts?
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