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AutoCodes - Generic - U2146

U2146 Code - Lost Communication With Shift Lever Module

- Code Popularity: 556 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code U2146 Possible Causes

  • Faulty Shift Lever Module (SLM)
  • Shift Lever Module harness is open or shorted
  • Shift Lever Module circuit poor electrical connection

How do I Fix the Code U2146?

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.

Does your Car have Safety Recalls? → Check here

What is the Cost to Diagnose the Code U2146?

Labor: 1.0

The cost of diagnosing the U2146 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 Code U2146 Possible Symptoms?

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

Code U2146 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 U2146 - Lost Communication With Shift Lever Module -
U2146 Code - Lost Communication With Shift Lever Module

Need More Information on the U2146 Code?

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Need Help with the U2146 Code?

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Code U2146 comments

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