Engine-CodesBuick – P2736 Buick

P2736 Buick Code - Transmission Control Solenoid Valve 6 Control Circuit Open

Quick Answer

The P2736 Buick code indicates a problem with the Transmission Control Solenoid Valve 6 Control Circuit being open. Common causes include Damaged or corroded wiring in the transmission control circuit, Faulty Transmission Control Solenoid Valve 6, Poor electrical connection to the solenoid valve. 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
P2736 Buick indicates Transmission Control Solenoid Valve 6 Control Circuit Open.
Common causes
Common causes include Damaged or corroded wiring in the transmission control circuit, Faulty Transmission Control Solenoid Valve 6, Poor electrical connection to the solenoid valve.
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 P2736 Buick Description

The P2736 Buick code indicates a problem with the Transmission Control Solenoid Valve 6 Control Circuit being open. The transmission control solenoid valves are responsible for controlling the flow of transmission fluid in and out of the transmission. In this case, Solenoid Valve 6 is not functioning properly, which can lead to issues with shifting gears and overall transmission performance.

OBDII Code P2736 Buick - Transmission Control Solenoid Valve 6 Control Circuit Open
P2736 Buick Code - Transmission Control Solenoid Valve 6 Control Circuit Open

Common Causes of P2736 Buick

  1. Damaged or corroded wiring in the transmission control circuit
  2. Faulty Transmission Control Solenoid Valve 6
  3. Poor electrical connection to the solenoid valve
  4. Issues with the transmission control module
  5. Electrical system malfunction or short circuit

Symptoms of P2736 Buick

  1. Rough or harsh shifting between gears
  2. Delayed or erratic shifting patterns
  3. Transmission slipping
  4. Check Engine Light illuminated
  5. Decreased fuel efficiency

How to Fix P2736 Buick

  1. Begin by diagnosing the exact cause of the open circuit in the Transmission Control Solenoid Valve 6 circuit using a diagnostic scanner.
  2. Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace any damaged wires as necessary.
  3. Test the Transmission Control Solenoid Valve 6 for proper operation and replace it if it is found to be faulty.
  4. Check the electrical connections to the solenoid valve and ensure they are secure and free of corrosion.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2736 Buick

The cost of repairing a Transmission Control Solenoid Valve 6 Control Circuit Open issue can vary depending on the exact cause of the problem and the make and model of the vehicle. In general, the cost of parts for this repair can range from $100 to $300, while labor costs can be anywhere from $150 to $400. This means that the total cost of the repair could be between $250 and $700, with higher-end estimates likely for vehicles with more complex transmission systems or in areas with higher labor rates. It is always recommended to get a specific quote from a local auto repair shop to get a more accurate cost estimate.

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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 P2736 Buick Code

What does the OBD-II code P2736 mean on a Buick?

Code P2736 indicates an open circuit issue in the control circuit of transmission control solenoid valve 6, which helps manage gear shifting in the transmission.

What are the common symptoms of a P2736 code in a Buick?

Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, or the vehicle entering "limp mode."

What causes the P2736 code to appear in a Buick?

Common causes include a faulty transmission control solenoid, damaged or corroded wiring, a defective transmission control module (TCM), or low transmission fluid.

Can low transmission fluid cause the P2736 code?

Yes, low or dirty transmission fluid can affect the solenoid's performance and trigger the P2736 code.

How do I diagnose a P2736 code on my Buick?

Start by checking the transmission fluid level and condition, inspect the wiring and connectors for damage, and test the resistance of the solenoid using a multimeter.

Can I drive my Buick with the P2736 code?

Driving with this code is not recommended, as it can cause further damage to the transmission or lead to unsafe driving conditions.

How do you fix the P2736 code on a Buick?

Repairs may include replacing the faulty transmission control solenoid, repairing damaged wiring or connectors, flushing and refilling transmission fluid, or reprogramming/replacing the TCM.

How much does it cost to repair a P2736 code on a Buick?

Repair costs can vary, but replacing a solenoid typically costs between $150 and $400, while wiring repairs or TCM replacement may cost more depending on labor and parts.

Can a bad transmission control module (TCM) trigger the P2736 code?

Yes, a malfunctioning TCM can cause improper communication with the solenoid and trigger the P2736 code.

How can I prevent the P2736 code from returning?

Regularly check and maintain proper transmission fluid levels, keep the transmission system clean, and inspect wiring and connectors during routine vehicle maintenance.

Discuss the causes and fixes for P2736 Buick OBDII Code

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