Engine-CodesGeneric – P2812

P2812 Code - Transmission Control Solenoid Valve 7 Control Circuit Open

Quick Answer

The P2812 diagnostic trouble code (DTC) indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit being open. Common causes include Faulty Transmission Control Solenoid Valve 7, Damaged wiring or connectors in the control circuit, Corrosion or poor connections. 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
P2812 indicates Transmission Control Solenoid Valve 7 Control Circuit Open.
Common causes
Common causes include Faulty Transmission Control Solenoid Valve 7, Damaged wiring or connectors in the control circuit, Corrosion or poor connections.
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 08, 2024
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Code P2812 Description

The P2812 diagnostic trouble code (DTC) indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit being open. This solenoid is responsible for controlling the flow of transmission fluid within the transmission system, specifically for gear shifting. When this circuit is open, it means that there is a lack of electrical continuity in the control circuit of the solenoid valve, which can prevent the valve from functioning properly. This can lead to issues with gear shifting, transmission performance, and overall drivability of the vehicle.

OBDII Code P2812 - Transmission Control Solenoid Valve 7 Control Circuit Open
P2812 Code - Transmission Control Solenoid Valve 7 Control Circuit Open

Common Causes of P2812

  1. Faulty Transmission Control Solenoid Valve 7
  2. Damaged wiring or connectors in the control circuit
  3. Corrosion or poor connections
  4. Electrical issues within the transmission control module
  5. Fluid contamination or low fluid levels

Symptoms of P2812

  1. Delayed or rough shifting
  2. Transmission slipping
  3. Illuminated check engine light
  4. Decreased fuel efficiency
  5. Transmission overheating

How to Fix P2812

  1. Diagnose the root cause of the issue using a diagnostic scanner to confirm the P2812 code.
  2. Inspect the wiring, connectors, and solenoid valve for any damage or corrosion.
  3. Replace the Transmission Control Solenoid Valve 7 if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the control circuit.
  5. Clear the codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2812

The cost of repairing a Transmission Control Solenoid Valve 7 Control Circuit Open issue can vary depending on the make and model of the vehicle, the severity of the problem, and the specific repairs needed. On average, the parts for this repair can range from $100 to $300, while labor costs can range from $150 to $400. This can bring the total cost of the repair to approximately $250 to $700. It is important to note that these are rough estimates, and actual costs may vary based on individual circumstances and location. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

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Code P2812 Information for Specific Makes

  • P2812 Buick — Transmission Control Solenoid Valve 7 Control Circuit Open
  • P2812 Cadillac — Transmission Control Solenoid Valve 7 Control Circuit Open
  • P2812 Chevrolet — Transmission Control Solenoid Valve 7 Control Circuit Open
  • P2812 GMC — Transmission Control Solenoid Valve 7 Control Circuit Open
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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