Engine-CodesCadillac – P2812 Cadillac

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

Quick Answer

The P2812 diagnostic trouble code for Cadillac vehicles indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit. Common causes include Faulty transmission control solenoid valve, Damaged wiring or connectors in the control circuit, Corrosion or debris in 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
P2812 Cadillac indicates Transmission Control Solenoid Valve 7 Control Circuit Open.
Common causes
Common causes include Faulty transmission control solenoid valve, Damaged wiring or connectors in the control circuit, Corrosion or debris in 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 P2812 Cadillac Description

The P2812 diagnostic trouble code for Cadillac vehicles indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit. This solenoid valve is responsible for controlling the flow of transmission fluid in the transmission system. When the control circuit is open, it means that there is an interruption in the electrical connection between the transmission control module and the solenoid valve. This can lead to issues with gear shifting, transmission performance, and overall drivability of the vehicle.

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

Common Causes of P2812 Cadillac

  1. Faulty transmission control solenoid valve
  2. Damaged wiring or connectors in the control circuit
  3. Corrosion or debris in the solenoid valve
  4. Issues with the transmission control module
  5. Electrical issues such as a blown fuse or short circuit

Symptoms of P2812 Cadillac

  1. Delayed or rough shifting between gears
  2. Transmission slipping or jerking
  3. Illumination of the Check Engine Light
  4. Reduced fuel efficiency
  5. Inability to shift into certain gears

How to Fix P2812 Cadillac

  1. Begin by conducting a thorough diagnostic scan to confirm the presence of the P2812 code.
  2. Inspect the wiring harness and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the transmission control solenoid valve for proper operation. Replace if faulty.
  4. Check the transmission control module for any issues and reprogram if necessary.
  5. Clear the code from the vehicle's memory and test drive to ensure the issue has been resolved.

Cost to Fix P2812 Cadillac

The cost of repairing a Transmission Control Solenoid Valve 7 Control Circuit Open issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, this repair can range from $200 to $500 for parts and labor. However, it is important to note that labor rates at auto repair shops can vary significantly, so it is advisable to check with local providers for a more accurate 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.

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