Engine-CodesBuick – P0758 Buick

P0758 Buick Code - 2-3 Shift Solenoid Circuit Electrical

Quick Answer

The P0758 code for Buick vehicles indicates a problem with the 2-3 shift solenoid circuit electrical. Common causes include Faulty 2-3 shift solenoid, Damaged wiring or connectors in the circuit, Short circuit in the electrical system. 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
P0758 Buick indicates 2-3 Shift Solenoid Circuit Electrical.
Common causes
Common causes include Faulty 2-3 shift solenoid, Damaged wiring or connectors in the circuit, Short circuit in the electrical system.
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 07, 2024
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Code P0758 Buick Description

The P0758 code for Buick vehicles indicates a problem with the 2-3 shift solenoid circuit electrical. This solenoid is responsible for controlling the shifting of gears between the second and third gears in the transmission. When this circuit malfunctions, it can lead to issues with the transmission's ability to shift smoothly and efficiently. This can result in rough shifting, delayed shifting, or even the transmission getting stuck in a particular gear.

OBDII Code P0758 Buick - 2-3 Shift Solenoid Circuit Electrical
P0758 Buick Code - 2-3 Shift Solenoid Circuit Electrical

Common Causes of P0758 Buick

  1. Faulty 2-3 shift solenoid
  2. Damaged wiring or connectors in the circuit
  3. Short circuit in the electrical system
  4. Low transmission fluid level
  5. Internal transmission damage

Symptoms of P0758 Buick

  1. Rough or delayed shifting between gears
  2. Transmission slipping or jerking while shifting
  3. Inability to shift into higher gears
  4. Decreased fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0758 Buick

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the fault codes and testing the 2-3 shift solenoid circuit.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace any damaged components.
  3. Test the 2-3 shift solenoid for proper functioning. Replace the solenoid if it is found to be faulty.
  4. Clear the fault codes from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further inspection of the transmission system may be necessary to identify any additional issues.

Cost to Fix P0758 Buick

The cost estimate for repairing a P0758 code on a Buick can vary depending on the specific cause of the issue and the model of the vehicle. Typically, the cost of parts for a 2-3 shift solenoid replacement ranges from $100 to $300, with labor costs adding an additional $100 to $200. Overall, the total repair cost can range from $200 to $500.

Tech Notes for P0758 Buick

There is a factory service bulletin for the following Buick models:
2000-2004 Buick Century
2000-2004 Buick LeSabre
2000-2004 Buick Park Avenue
2000-2004 Buick Regal
2003-2004 Buick Rendezvous
Buick Factory Service Bulletin OBDII Code P0758

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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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