Engine-CodesAcura – P0958 Acura

P0958 Acura Code - Open In Transmission Gear Selection Switch Circuit

Quick Answer

The P0958 code for Acura vehicles indicates that there is an open in the transmission gear selection switch circuit. Common causes include Damaged wiring or connectors in the gear selection switch circuit, Malfunctioning gear selection switch, Faulty TCM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0958 Acura indicates Open In Transmission Gear Selection Switch Circuit.
Common causes
Common causes include Damaged wiring or connectors in the gear selection switch circuit, Malfunctioning gear selection switch, Faulty TCM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P0958 Acura Description

The P0958 code for Acura vehicles indicates that there is an open in the transmission gear selection switch circuit. This means that there is a problem with the circuit that controls the gear selection switch in the transmission. The gear selection switch is responsible for sending signals to the transmission control module (TCM) to indicate which gear the driver has selected (such as park, reverse, neutral, drive, etc.).

OBDII Code P0958 Acura - Open In Transmission Gear Selection Switch Circuit
P0958 Acura Code - Open In Transmission Gear Selection Switch Circuit

Common Causes of P0958 Acura

  1. Damaged wiring or connectors in the gear selection switch circuit
  2. Malfunctioning gear selection switch
  3. Faulty TCM
  4. Corrosion in the circuit

Symptoms of P0958 Acura

  1. Difficulty shifting gears
  2. Transmission slipping
  3. Harsh shifting
  4. Illuminated check engine light
  5. Limp mode activation

How to Fix P0958 Acura

  1. Diagnose the issue by using a scan tool to read the code and test the gear selection switch circuit.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the gear selection switch for proper operation and replace if faulty.
  4. Check the TCM for any malfunctions and replace if necessary.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0958 Acura

The typical repair costs for addressing the P0958 code in an Acura vehicle can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

Tech Notes for P0958 Acura

DTC P0958: Open in Transmission Gear Selection Switch Circuit, Or Transmission Gear Selection Switch Stuck OFF

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0958 Acura Code

What does the OBDII code P0958 mean for an Acura?

P0958 indicates an "Open In Transmission Gear Selection Switch Circuit," meaning there is a problem with the circuit that detects the gear selection position.

What are common symptoms associated with the P0958 code?

Common symptoms include the inability to shift gears, the vehicle getting stuck in one gear, or the transmission not responding correctly to gear changes.

What could cause the P0958 code to trigger?

Causes can include a faulty transmission gear selection switch, damaged wiring or connectors, or a short circuit in the transmission control module.

How can I diagnose the P0958 code?

Start by inspecting the wiring and connectors for damage or corrosion. Then, test the transmission gear selection switch for proper function and check for any other related codes.

What are some potential repairs for the P0958 code?

Repairs may involve replacing the transmission gear selection switch, fixing wiring issues, or reprogramming or replacing the transmission control module if necessary.

Is it safe to drive a vehicle with the P0958 code?

It is not advisable to drive the vehicle if you experience symptoms like gear sticking or the inability to shift, as this can lead to further damage or unsafe driving conditions.

Will clearing the P0958 code fix the problem?

Clearing the code may temporarily turn off the warning light, but it does not fix the underlying issue, and the code will likely reappear if the problem persists.

Can I fix the P0958 code myself?

If you have experience with automotive repairs, you can inspect and replace the gear selection switch or wiring. However, if you're unsure, it's best to consult a professional mechanic.

How much does it typically cost to repair the P0958 code?

Repair costs can vary widely depending on the cause, but fixing wiring issues may cost less than replacing the transmission gear selection switch, which can be more expensive.

Will the P0958 code affect my vehicle's performance?

Yes, the P0958 code can significantly affect transmission performance, potentially leading to poor shifting or a complete inability to shift gears.

Discuss the causes and fixes for P0958 Acura OBDII Code

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