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U2101 GMC Code - CAN Bus Maximum List Of Control Modules

- Code Popularity: 246 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jun 15, 2020
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|Code U2101 GMC Possible Causes

  • Device that is not configured properly
  • Faulty device that is not communicating
  • Device harness is open or shorted
  • Device circuit poor electrical connection

|How do I Fix the Code U2101 GMC?

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 GMC have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code U2101 GMC?

Labor: 1.0

The cost of diagnosing the U2101 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 Code U2101 GMC Possible Symptoms?

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

|Code U2101 GMC Description

Some devices must be programmed with software that specifically identifies the correct type and quantity of devices on the serial data bus based on RPO configuration. If a device was not properly configured after installation, the appropriate U Code may be set for that device. No external circuit diagnosis is involved. The Diagnostic Trouble Code (DTC) will set when the following conditions are set: The device is not configured properly, the control unit recognizes a programming error, the Controller Area Network (CAN) Bus configuration is invalid.

OBDII Code U2101 GMC - CAN Bus Maximum List Of Control Modules - AutoCodes.com
U2101 GMC Code - CAN Bus Maximum List Of Control Modules

|Need More Information on the U2101 GMC Code?

Need more information on how to fix the U2101 GMC code? Get Access to Factory Service Manuals

|Need Help with the U2101 GMC Code?

Get the U2101 GMC code diagnosed by a professional: Find a repair shop in your area

|Code U2101 GMC comments

Help 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 U2101 GMC code? Have you replaced any parts?
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