U2100 GMC - CAN Bus Communication
U2100 GMC Possible Causes
- Faulty Module/Device that is not communicating
- Module harness is open or shorted
- Module circuit poor electrical connection
How is the U2100 GMC code repair?Start by checking 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.
What is the cost to diagnose the U2100 GMC code
Labor: 1.0The cost to diagnose the U2100 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.
How much do you know about cars?
Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge
- Engine Light ON (or Service Engine Soon Warning Light)
U2100 GMC MeaningThe serial data circuits are used to communicate information between the devices. The serial data circuits also connect directly to the Data Link Connector (DLC). The Diagnostic Trouble Code (DTC) will set when the device setting the DTC has attempted to establish communications on the serial data circuits more than 3 times in 5 s.
More InformationNeed more information on how to fix the U2100 GMC code?
Get Access to Factory Service Manuals