AutoCodes – Pontiac – P0705 Pontiac

P0705 Pontiac Code - Transmission Range Sensor Circuit Malfunction

Quick Answer

The Transaxle on this vehicle has a Park Neutral Position (PNP) and Back-up switch. Common causes include Faulty Park/Neutral Position Switch, Misadjusted Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted. 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
P0705 Pontiac indicates Transmission Range Sensor Circuit Malfunction.
Common causes
Common causes include Faulty Park/Neutral Position Switch, Misadjusted Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted.
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.
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Code Popularity 13,854
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0705 Pontiac Description

The Transaxle on this vehicle has a Park Neutral Position (PNP) and Back-up switch. This switch incorporates a transaxle range selector switch. There are 4 inputs (PRND A, B, C, P) which are switches to ground. The four switches have an unique switch pattern. The Powertrain Control Module (PCM) uses the combination of the switch patterns in order to determine the gear selected by the driver.
This diagnostic monitors the 4 inputs in order to determine what gearposition the transmission is in. When the PCM detects that an illegal range has occurred, this DTC sets.
OBDII Code P0705 Pontiac - Transmission Range Sensor Circuit Malfunction - AutoCodes.com
P0705 Pontiac Code - Transmission Range Sensor Circuit Malfunction

What are the Possible Causes of the DTC P0705 Pontiac?

  • Faulty Park/Neutral Position Switch
  • Misadjusted Park/Neutral Position Switch
  • Park/Neutral Position Switch harness is open or shorted
  • Park/Neutral Position Switch circuit poor electrical connection

How to Fix the DTC P0705 Pontiac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0705 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0705 Pontiac code?

Need more information on how to fix the P0705 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0705 Pontiac 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 P0705 Pontiac Code

1. What are the common symptoms of OBDII code P0705 in a Pontiac related to the Transmission Range Sensor Circuit Malfunction?

The common symptoms of P0705 in a Pontiac include issues with shifting gears smoothly, the transmission not properly engaging, and the dashboard displaying the check engine light.

2. What are the possible causes of the P0705 code in a Pontiac?

The P0705 code in a Pontiac can be caused by a faulty transmission range sensor, damaged wiring or connectors in the circuit, a defective shift lever position indicator, or a malfunctioning PCM.

3. How can I diagnose the Transmission Range Sensor Circuit Malfunction in my Pontiac?

Diagnosing the P0705 code in a Pontiac involves conducting a thorough inspection of the transmission range sensor, checking the wiring and connectors for any signs of damage, and using an OBDII scanner to retrieve trouble codes and data.

4. Can I drive my Pontiac with the P0705 code present?

It is not recommended to drive your Pontiac with the P0705 code present, as it can lead to further damage to the transmission system. It's best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair the Transmission Range Sensor Circuit Malfunction in my Pontiac?

Repairing the P0705 code in a Pontiac involves replacing the faulty transmission range sensor, repairing or replacing damaged wiring or connectors, fixing any issues with the shift lever position indicator, or reprogramming the PCM if necessary.

6. Will resetting the check engine light clear the P0705 code in my Pontiac?

Resetting the check engine light may temporarily clear the P0705 code, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and repair the problem to prevent recurrence.

7. Can a DIY enthusiast fix the P0705 code in a Pontiac?

While some basic troubleshooting steps can be done by a DIY enthusiast, diagnosing and repairing the P0705 code may require specialized tools and expertise. It's recommended to consult a professional mechanic for accurate diagnosis and repair.

8. How much does it cost to repair the P0705 code in a Pontiac?

The cost of repairing the P0705 code in a Pontiac can vary depending on the specific cause of the issue, the parts needed for repair, and labor costs. It's best to obtain quotes from different repair shops for an accurate estimate.

9. Are there any preventive maintenance tips to avoid the P0705 code in a Pontiac?

To prevent the P0705 code in a Pontiac, it's important to perform regular maintenance on the transmission system, including checking for any signs of wear or damage, ensuring proper fluid levels, and addressing any issues promptly.

10. How long does it take to repair the P0705 code in a Pontiac?

The time it takes to repair the P0705 code in a Pontiac can vary depending on the extent of the issue and the availability of parts. Simple repairs may take a few hours, while more complex issues could require more time.

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