Engine-Codes - Gmc - U240D GMC

U240D GMC Code - Transmission Range Selector Control Module Powertrain Expansion CAN Bus Off

- Code Popularity: 383 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the U240D GMC Code?

  • 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 to Fix the U240D GMC Code?

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 U240D GMC code?

Labor: 1.0

The cost to diagnose the U240D 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 U240D GMC code possible symptoms?

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

|What Does the U240D GMC Code Mean?

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.

Transmission Range Selector Control Module Powertrain Expansion CAN Bus Off

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