Engine-Codes - Generic - U2149

U2149 Code - Lost Communication With Tire Pressure Monitor System

- Code Popularity: 3,223 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U2149?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Tire Pressure Monitor (TPM) Module
  • Tire Pressure Monitor Module harness is open or shorted
  • Tire Pressure Monitor Module circuit poor electrical connection
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How to Fix the DTC U2149?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the U2149 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the U2149 Code Mean?

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.

U2149 Code - Lost Communication With Tire Pressure Monitor System

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Code U2149 Information for Specific Makes

  • U2149 Buick Lost Communication With Tire Pressure Monitor System
  • U2149 Cadillac Lost Communication With Tire Pressure Monitor System
  • U2149 Chevrolet Lost Communication With Tire Pressure Monitor System
  • U2149 GMC Lost Communication With Tire Pressure Monitor System
  • U2149 Pontiac Lost Communication With Tire Pressure Monitor System
  • U2149 Saturn Lost Communication With Tire Pressure Monitor System

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