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P0750 Acura Code - Shift Solenoid Valve 'A' Hydraulic Circuit Fault

Quick Answer

The P0750 code for Acura vehicles indicates a problem with the Shift Solenoid Valve 'A' Hydraulic Circuit. Common causes include Faulty shift solenoid valve 'A', Wiring or connector issues in the solenoid circuit, Low transmission fluid levels or contaminated fluid. 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
P0750 Acura indicates Shift Solenoid Valve 'A' Hydraulic Circuit Fault.
Common causes
Common causes include Faulty shift solenoid valve 'A', Wiring or connector issues in the solenoid circuit, Low transmission fluid levels or contaminated fluid.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0750 Acura Description

The P0750 code for Acura vehicles indicates a problem with the Shift Solenoid Valve 'A' Hydraulic Circuit. This code is triggered when the Engine Control Module (ECM) detects an electrical fault in the hydraulic control circuit of the shift solenoid valve 'A'. This solenoid is responsible for controlling the flow of transmission fluid to engage or disengage specific gears in the transmission. When this solenoid malfunctions, it can lead to issues with shifting gears smoothly, causing erratic or harsh shifting behavior.

OBDII Code P0750 Acura - Shift Solenoid Valve 'A' Hydraulic Circuit Fault
P0750 Acura Code - Shift Solenoid Valve 'A' Hydraulic Circuit Fault

Common Causes of P0750 Acura

  1. Faulty shift solenoid valve 'A'
  2. Wiring or connector issues in the solenoid circuit
  3. Low transmission fluid levels or contaminated fluid
  4. Internal transmission problems
  5. ECM software issues

Symptoms of P0750 Acura

  1. Delayed or erratic shifting between gears
  2. Transmission slipping or hesitating
  3. Harsh or rough shifting
  4. Inability to shift into certain gears
  5. Illumination of the Check Engine Light

How to Fix P0750 Acura

  1. Perform a diagnostic scan to confirm the P0750 code and identify the specific issue.
  2. Inspect the wiring and connectors in the shift solenoid valve 'A' circuit for any damage or corrosion.
  3. Test the shift solenoid valve 'A' for proper function and replace if necessary.
  4. Check and top off transmission fluid levels, and inspect for any signs of contamination.
  5. Clear the code and test drive the vehicle to ensure proper shifting operation.

Cost to Fix P0750 Acura

The cost of repairing a Shift Solenoid Valve 'A' Hydraulic Circuit Fault can vary depending on the specific cause of the issue. In general, the cost of replacing a shift solenoid valve can range from $150 to $400, including parts and labor. Additional costs may be incurred if there are wiring or transmission fluid issues that need to be addressed. It's recommended to consult with a professional mechanic to get an accurate estimate based on the exact diagnosis and repair needed for your Acura vehicle.

What does this mean?

Tech Notes for P0750 Acura

When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

When is the Code Detected?

The P0750 code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

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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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