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AutoCodes - Generic - U18CC

U18CC Code - Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus

- Code Popularity: 278 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jun 09, 2020
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|U18CC code possible causes

  • Faulty Engine Control Module (ECM)
  • Engine Control Module harness is open or shorted
  • Engine Control Module circuit poor electrical connection

|How do I fix code U18CC 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 U18CC code

Labor: 1.0

The cost of diagnosing the U18CC 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 U18CC code possible symptoms?

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

|U18CC 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 U18cc - Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus - AutoCodes.com
U18CC Code - Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus

|Need more information with the U18CC code?

Need more information on how to fix the U18CC code?
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|Information for specific makes

  • U18CC BUICK Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus
  • U18CC CADILLAC Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus
  • U18CC CHEVROLET Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus
  • U18CC GMC Transmission Range Control Module Lost Communication With ECM On Powertrain Expansion Bus

|Need help with a U18CC code?

Get the U18cc code diagnosed by a professional: Find a repair shop in your area

|U18CC code comments

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