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AutoCodes - Cadillac - U2139 CADILLAC

U2139 CADILLAC Code - Lost Communication With Column Integration Module

- Code Popularity: 280 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Jun 16, 2020
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|U2139 CADILLAC code possible causes

  • Faulty Column Integration Module
  • Column Integration Module harness is open or shorted
  • Column Integration Module circuit poor electrical connection

|How do I fix code U2139 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 U2139 CADILLAC code

Labor: 1.0

The cost of diagnosing the U2139 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 U2139 CADILLAC code possible symptoms?

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

|U2139 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. A loss of serial data communications Diagnostic Trouble Code (DTC) does not represent a failure of the devices that contain the stored code. The DTC will set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2139 Cadillac - Lost Communication With Column Integration Module -
U2139 CADILLAC Code - Lost Communication With Column Integration Module

|Need more information with the U2139 CADILLAC code?

Need more information on how to fix the U2139 CADILLAC code?
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|Need help with a U2139 CADILLAC code?

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|U2139 CADILLAC code comments

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