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U18B8 CADILLAC Code - Lost Communication With Body Control Module On High Speed CAN Bus

- Code Popularity: 199 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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|U18B8 CADILLAC code possible causes

  • Faulty Body Control Module (BCM)
  • Body Control Module harness is open or shorted
  • Body Control Module circuit poor electrical connection

|How do I fix code U18B8 CADILLAC 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 U18B8 CADILLAC code

Labor: 1.0

The cost of diagnosing the U18B8 CADILLAC 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 U18B8 CADILLAC code possible symptoms?

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

|U18B8 CADILLAC 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 U18b8 Cadillac - Lost Communication With Body Control Module On High Speed CAN Bus - AutoCodes.com
U18B8 CADILLAC Code - Lost Communication With Body Control Module On High Speed CAN Bus

|Need more information with the U18B8 CADILLAC code?

Need more information on how to fix the U18B8 CADILLAC code?
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|Need help with a U18B8 CADILLAC code?

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|U18B8 CADILLAC code comments

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