AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Gmc - U18D3 GMC

U18D3 GMC Code - Lost Communication With Transmission Range Selector Control Module On Powertrain Expansion CAN Bus

- Code Popularity: 421 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jun 09, 2020
Share on Facebook   Share on Twitter   Share on Linkedin

|U18D3 GMC code possible causes

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

|How do I fix code U18D3 GMC code?

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.

|Cost of diagnosing U18D3 GMC code

Labor: 1.0

The cost of diagnosing the U18D3 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 U18D3 GMC code possible symptoms?

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

|U18D3 GMC code description

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device. The Diagnostic Trouble Code (DTC) will set a supervised periodic message that includes the transmitter device availability that has not been received.

OBDII Code U18d3 Gmc - Lost Communication With Transmission Range Selector Control Module On Powertrain Expansion CAN Bus - AutoCodes.com
U18D3 GMC Code - Lost Communication With Transmission Range Selector Control Module On Powertrain Expansion CAN Bus

|Need more information with the U18D3 GMC code?

Need more information on how to fix the U18D3 GMC code?
Get Access to Factory Service Manuals

|Need help with a U18D3 GMC code?

Get the U18d3 Gmc code diagnosed by a professional: Find a repair shop in your area

|U18D3 GMC code 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 U18d3 Gmc code? Have you replaced any parts?
Any information is appreciated. Thanks