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U2146 Pontiac Code - Lost Communication With Shift Lever Module

- Code Popularity: 256 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Jun 16, 2020
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|Code U2146 Pontiac 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 Pontiac?

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 Pontiac have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code U2146 Pontiac?

Labor: 1.0

The cost of diagnosing the U2146 Pontiac 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 Pontiac Possible Symptoms?

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

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

|Need More Information on the U2146 Pontiac Code?

Need more information on how to fix the U2146 Pontiac code? Get Access to Factory Service Manuals

|Need Help with the U2146 Pontiac Code?

Get the U2146 Pontiac code diagnosed by a professional: Find a repair shop in your area

|Code U2146 Pontiac comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U2146 Pontiac code? Have you replaced any parts?
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