[SOLVED] U2146 Code: Fixing Lost Communication With Shift Lever Module

The automobile fault code U2146 indicates a problem with the Shift Lever Module (SLM) in your vehicle. The most common symptom of this issue is the Engine Light turning on or the Service Engine Soon Warning Light. The cause of this fault code could be a faulty SLM, an open or shorted SLM harness, or a poor electrical connection in the SLM circuit.

It is important to address this issue promptly as it can affect the performance of your vehicle.

The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins.

The repair time for this issue is estimated to be around 1.0 hour.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Unresponsive Steering? U2146 Could Be The Culprit

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the u2146 fault code.

Here are the symptoms to look out for:

The U2146 fault code in an automobile can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light, issues with the transmission, problems with the ABS system, difficulty shifting gears, and issues with the speedometer.
It can also cause the vehicle to go into limp mode, which limits the speed and power of the car.
These symptoms can be caused by a malfunction in the communication circuit between the engine control module and the ABS control module.

Decoding U2146: Common Causes Of The Fault Code

The automobile fault code u2146 can be caused by a faulty SLM, open or shorted harness, or poor electrical connection.

The automobile fault code U2146 can be caused by a faulty Shift Lever Module (SLM).
It can also be caused by an open or shorted Shift Lever Module harness.
Additionally, a poor electrical connection in the Shift Lever Module circuit can also trigger this fault code.

Fix U2146: Simple Steps To Solve The Fault

Below are some possible fixes for the automobile fault code u2146, including inspecting wiring harness and connectors for damage or corrosion.

To fix the automobile fault code U2146, first, check the possible causes listed above.
Then, visually inspect the related wiring harness and connectors.
Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
This fix will take an estimated repair time of 1.0 hour.

Crunching The Numbers: U2146 Fixing Cost & Complexity

The fault code U2146 is a communication error between the body control module and the engine control module. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this fault code is dependent on the hourly rate charged by the auto repair shop.

The average hourly rate charged by most auto repair shops is between $75 and $150. Therefore, the cost of fixing the U2146 fault code can range from $75 to $150.

Decoding U2146: Understanding The Cause Of Your Car’s Electrical Woes

The U2146 fault code indicates a loss of serial data communications between devices in the vehicle. This code specifically refers to a loss of communication with the shift lever module. The devices in the vehicle exchange operating information and commands through serial data circuits.

The code sets when a supervised periodic message that includes the transmitter device availability has not been received. It is important to note that this code does not necessarily indicate a failure of the devices containing the stored code.

FAQ

What are the possible causes of the engine light being on due to the u2146 fault code?

If the engine light is on due to the u2146 fault code, it could be caused by a faulty Shift Lever Module (SLM), an open or shorted Shift Lever Module harness, or a poor electrical connection in the Shift Lever Module circuit. To fix the issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can one visually inspect the wiring harness and connectors related to the Shift Lever Module to fix the u2146 fault code?

If you’re experiencing the u2146 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Shift Lever Module (SLM), an open or shorted Shift Lever Module harness, or a poor electrical connection in the Shift Lever Module circuit. To fix this issue, you should visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

What are the specific signs of damaged components or broken, bent, pushed out, or corroded connector’s pins that one should look for when fixing the u2146 fault code?

When fixing the u2146 fault code, one should look for signs of damaged components or broken, bent, pushed out, or corroded connector’s pins. These issues can cause the engine light to turn on, indicating a problem with the Shift Lever Module (SLM) or a poor electrical connection in the SLM circuit. To fix the issue, one should visually inspect the wiring harness and connectors, and check for any signs of damage or corrosion.

Wrap Up

If your engine light is on and the fault code is u2146, it may be due to a faulty Shift Lever Module (SLM), an open or shorted Shift Lever Module harness, or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion, and check for broken or bent pins.