AutoCodes.com | All About OBDII Engine Codes
AutoCodes - GMC - U240E GMC

U240E GMC Code - Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off

- Code Popularity: 224 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jun 17, 2020
Share on Facebook   Share on Twitter   Share on Linkedin

|Code U240E GMC Possible Causes

  • Faulty Transmission Range Selector Control Module
  • Transmission Range Selector Control Module harness is open or shorted
  • Transmission Range Selector Control Module circuit poor electrical connection

|How do I Fix the Code U240E 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 U240E GMC?

Labor: 1.0

The cost of diagnosing the U240E 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 U240E GMC Possible Symptoms?

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

|Code U240E GMC Description

The powertrain high-speed General Motors Local Area Network (GMLAN)serial data circuits are serial data buses used to communicate information between the devices. The powertrain high speed GMLAN serial data circuits also connect directly to the X84 Data Link Connector (DLC) for programming purposes. If this serial data system is inoperative, the devices will still communicate with the scan tool due to other serial data systems but not with each other. The device setting the Diagnostic Trouble Code (DTC) has attempted to establish communications on the powertrain high-speed GMLAN serial data circuits more than 3 times.

OBDII Code U240E GMC - Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off - AutoCodes.com
U240E GMC Code - Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off

|Need More Information on the U240E GMC Code?

Need more information on how to fix the U240E GMC code? Get Access to Factory Service Manuals

|Need Help with the U240E GMC Code?

Get the U240E GMC code diagnosed by a professional: Find a repair shop in your area

|Code U240E 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 U240E GMC code? Have you replaced any parts?
Any information is appreciated. Thanks