Engine-CodesPontiac – P0706 Pontiac

P0706 Pontiac Code - Transmission Range Switch Performance

Quick Answer

The P0706 code for Pontiac vehicles indicates a problem with the transmission range switch, also known as the neutral safety switch. Common causes include Faulty transmission range switch, Damaged wiring or connectors, Corrosion or debris affecting switch operation. 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 Pontiac indicates Transmission Range Switch Performance.
Common causes
Common causes include Faulty transmission range switch, Damaged wiring or connectors, Corrosion or debris affecting switch operation.
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 12, 2024
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Code P0706 Pontiac Description

The P0706 code for Pontiac vehicles indicates a problem with the transmission range switch, also known as the neutral safety switch. This switch is responsible for telling the engine control module (ECM) what gear the transmission is in. If the switch is not functioning properly, it can lead to issues with shifting gears, starting the vehicle, and overall transmission performance.

OBDII Code P0706 Pontiac - Transmission Range Switch Performance
P0706 Pontiac Code - Transmission Range Switch Performance

Common Causes of P0706 Pontiac

  1. Faulty transmission range switch
  2. Damaged wiring or connectors
  3. Corrosion or debris affecting switch operation
  4. ECM communication issues
  5. Mechanical issues with the transmission itself

Symptoms of P0706 Pontiac

  1. Difficulty shifting gears
  2. Vehicle not starting
  3. Harsh or delayed shifting
  4. Inability to shift out of park
  5. Check engine light illuminated

How to Fix P0706 Pontiac

  1. Diagnose the issue by using a scan tool to read the code and test the transmission range switch.
  2. Inspect the wiring and connectors leading to the switch for any damage or corrosion.
  3. Replace the transmission range switch if it is found to be faulty.
  4. Clear the code from the ECM and test the vehicle to ensure proper operation.
  5. If the issue persists, further diagnostics may be needed to identify any underlying problems with the transmission system.

Cost to Fix P0706 Pontiac

The cost of repairing a P0706 code for a Pontiac can vary depending on the specific model and the extent of the issue. On average, the cost of replacing a transmission range switch can range from $150 to $300, including parts and labor. It's important to note that labor rates at auto repair shops can vary widely, so it's advisable to check local rates for a more accurate estimate. Additionally, if further diagnostics or repairs are needed, the cost may increase accordingly.

When is the Code Detected?

The transmission range switch detects the selector lever position and sends a signal to the TCM.

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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 P0706 Pontiac Code

1. What does the OBDII code P0706 mean on a Pontiac?

P0706 indicates a problem with the transmission range switch, which sends incorrect or no data to the powertrain control module (PCM) about the transmission's gear position.

2. What are common symptoms of a P0706 code in a Pontiac?

Symptoms may include difficulty shifting gears, the vehicle starting in the wrong gear, the transmission being stuck in limp mode, or the check engine light being illuminated.

3. What causes the P0706 code to appear on a Pontiac?

Common causes include a faulty transmission range switch, damaged wiring or connectors, misaligned switch installation, or low transmission fluid levels.

4. Can I drive my Pontiac with a P0706 code?

Driving with a P0706 code is not recommended, as transmission performance may be compromised, which can lead to safety issues and further damage.

5. How do I diagnose the P0706 code on a Pontiac?

Diagnosis involves checking the transmission range switch, inspecting wiring and connectors for damage, verifying proper alignment of the switch, and testing the switch's electrical output with a multimeter.

6. How do I fix the P0706 code on a Pontiac?

Repairs may include replacing the transmission range switch, repairing or replacing damaged wiring, realigning the switch, or topping off low transmission fluid.

7. How much does it cost to fix a P0706 code on a Pontiac?

Repair costs vary but typically range from $150 to $400, depending on whether the issue is with the range switch, wiring, or installation.

8. Can low transmission fluid cause a P0706 code on a Pontiac?

Yes, low transmission fluid can cause improper operation of the transmission range switch, leading to a P0706 code.

9. How do I prevent the P0706 code from occurring again?

Regularly inspect and maintain your transmission system, including fluid levels, and address wiring issues or worn-out components promptly.

10. Is the P0706 code specific to Pontiac vehicles?

No, P0706 is a generic OBDII code that can appear on any vehicle with an automatic transmission, but the troubleshooting steps may vary by make and model.

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