Engine-CodesChevrolet – P0706 2018 Chevrolet Silverado

P0706 2018 Chevrolet Silverado Code - Transmission Range Switch Performance

Quick Answer

The P0706 code in a 2018 Chevrolet Silverado indicates a problem with the transmission range switch, also known as the neutral safety switch. Common causes include Faulty transmission range switch, Wiring or connector issues, Low transmission fluid levels. 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
P0706 2018 Chevrolet Silverado indicates Transmission Range Switch Performance.
Common causes
Common causes include Faulty transmission range switch, Wiring or connector issues, Low transmission fluid levels.
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 Aug 30, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0706 2018 Chevrolet Silverado Description

The P0706 code in a 2018 Chevrolet Silverado indicates a problem with the transmission range switch, also known as the neutral safety switch. This switch is responsible for telling the vehicle's computer what gear the transmission is in. When this switch malfunctions or fails, it can cause issues with shifting gears and may even prevent the vehicle from starting. The transmission range switch plays a crucial role in ensuring the proper operation of the transmission system, so addressing this issue promptly is essential to avoid further damage.

OBDII Code P0706 2018 Chevrolet Silverado - Transmission Range Switch Performance
P0706 2018 Chevrolet Silverado Code - Transmission Range Switch Performance

Common Causes of P0706 2018 Chevrolet Silverado

  1. Faulty transmission range switch
  2. Wiring or connector issues
  3. Low transmission fluid levels
  4. Transmission control module (TCM) malfunction
  5. Mechanical damage to the transmission components

Symptoms of P0706 2018 Chevrolet Silverado

  1. Difficulty shifting gears
  2. Inaccurate gear display on the dashboard
  3. Vehicle stalling or not starting
  4. Harsh shifting or slipping gears

How to Fix P0706 2018 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and check for any related codes.
  2. Inspect the transmission range switch, wiring, and connectors for any visible damage or corrosion.
  3. Test the transmission range switch's functionality using a multimeter to ensure it is sending the correct signals.
  4. Replace the faulty transmission range switch if necessary, and clear the trouble codes from the vehicle's computer.
  5. Test drive the vehicle to confirm that the issue has been resolved and that the transmission is operating correctly.

Cost to Fix P0706 2018 Chevrolet Silverado

The cost of repairing a P0706 code in a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the parts for a transmission range switch replacement can range from $50 to $200, while the labor costs can range from $100 to $300. This brings the total estimated cost to approximately $150 to $500. However, it's important to note that actual repair costs may differ based on the location, labor rates, and any additional repairs or parts needed. It is recommended to consult with a trusted mechanic or repair shop for a more accurate cost estimate.

Tech Notes for P0706 2018 Chevrolet Silverado

The Internal Mode Switch (IMS) is mounted to the manual shift shaft detent lever as an assembly. The components of the detent lever/IMS assembly cannot be individually serviced. When the IMS needs replacing, the entire assembly must be replaced.

Need more information about the P0706 2018 Chevrolet Silverado code?

Need more information on how to fix the P0706 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0706 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 P0706 2018 Chevrolet Silverado Code

1. What does the OBDII code P0706 mean on a 2018 Chevrolet Silverado?

Code P0706 indicates an issue with the transmission range switch, which is responsible for detecting the position of the gear selector.

2. What are common symptoms of P0706 in a 2018 Chevrolet Silverado?

Symptoms may include the inability to shift gears, the transmission being stuck in one gear, incorrect gear display on the dashboard, or difficulty starting the vehicle.

3. What causes the P0706 code in a Chevrolet Silverado?

The code can be triggered by a faulty transmission range switch, damaged wiring or connectors, misalignment of the switch, or transmission fluid contamination.

4. Can P0706 affect the drivability of my 2018 Silverado?

Yes, this code can cause shifting problems, reduced performance, or the vehicle being stuck in limp mode, affecting overall drivability.

5. How can I diagnose the P0706 code on my Silverado?

Use an OBDII scanner to confirm the code, then inspect the transmission range switch, wiring, and connectors for damage or corrosion.

6. Is it safe to drive with the P0706 code?

It’s not recommended to drive with this code as it may lead to transmission damage or unsafe driving conditions.

7. How do I fix the P0706 code on a 2018 Chevrolet Silverado?

Repairs may involve replacing the transmission range switch, repairing damaged wiring or connectors, or adjusting the switch alignment.

8. What is the cost to repair the P0706 code on a Silverado?

Repair costs can vary but typically range from $200 to $500, depending on whether the transmission range switch or wiring needs replacement.

9. Can low transmission fluid cause the P0706 code?

Yes, low or contaminated transmission fluid can affect the performance of the transmission range switch and trigger the code.

10. Will clearing the P0706 code solve the problem?

Clearing the code without addressing the underlying issue will likely result in the code returning, as the root cause has not been fixed.

Discuss the causes and fixes for P0706 2018 Chevrolet Silverado OBDII Code

Code P0706 2018 Chevrolet Silverado comments

No comments found for this page.