Engine-CodesBuick – P1817 Buick

P1817 Buick Code - Transmission Neutral Safety Switch Open Circuit

Quick Answer

The P1817 Buick code indicates that there is an open circuit detected in the transmission neutral safety switch. Common causes include Faulty neutral safety switch, Damaged wiring or connectors, Malfunctioning transmission control module. 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
P1817 Buick indicates Transmission Neutral Safety Switch Open Circuit.
Common causes
Common causes include Faulty neutral safety switch, Damaged wiring or connectors, Malfunctioning transmission control module.
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 09, 2024
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Code P1817 Buick Description

The P1817 Buick code indicates that there is an open circuit detected in the transmission neutral safety switch. The neutral safety switch is an important component that prevents the vehicle from starting in any gear other than park or neutral. It also controls the back-up lights and ensures that the vehicle can only be started when the transmission is in the correct position.

OBDII Code P1817 Buick - Transmission Neutral Safety Switch Open Circuit
P1817 Buick Code - Transmission Neutral Safety Switch Open Circuit

Common Causes of P1817 Buick

  1. Faulty neutral safety switch
  2. Damaged wiring or connectors
  3. Malfunctioning transmission control module
  4. Corrosion or dirt buildup in the switch

Symptoms of P1817 Buick

  1. Inability to start the vehicle
  2. Vehicle starting in gear
  3. Back-up lights not working
  4. Transmission shifting issues

How to Fix P1817 Buick

  1. Begin by diagnosing the exact cause of the open circuit in the transmission neutral safety switch using a diagnostic scanner.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
  3. Test the neutral safety switch for proper operation and replace if faulty.
  4. Clear the diagnostic trouble codes from the vehicle's computer using the diagnostic scanner.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix P1817 Buick

The typical repair costs for addressing a P1817 Buick code can vary depending on the exact cause of the issue. On average, the cost of replacing a neutral safety switch can range from $100 to $250, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.

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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.

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