Engine-Codes - Chevrolet - U2100 CHEVROLET

U2100 CHEVROLET - CAN Bus Communication

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U2100 CHEVROLET Possible Causes

  • Faulty Module/Device that is not communicating
  • Module harness is open or shorted
  • Module circuit poor electrical connection

How is the U2100 CHEVROLET 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 CHEVROLET code

Labor: 1.0

The cost to diagnose the U2100 CHEVROLET 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

Play Now

Possible Symptoms

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

U2100 CHEVROLET Meaning

The 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 Information

Need more information on how to fix the U2100 CHEVROLET code?
Get Access to Factory Service Manuals

Need more help?

Get the U2100 Chevrolet code diagnosed by a professional: Find a repair shop in your area