Engine-CodesGeneric – P2814

P2814 Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage

Quick Answer

The P2814 diagnostic trouble code (DTC) indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit, specifically signaling a low voltage condition. Common causes include Faulty wiring or connections in the control circuit, Malfunctioning Transmission Control Solenoid Valve 7, Issues with the transmission control module. 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
P2814 indicates Transmission Control Solenoid Valve 7 Control Circuit Low Voltage.
Common causes
Common causes include Faulty wiring or connections in the control circuit, Malfunctioning Transmission Control Solenoid Valve 7, Issues with the transmission control module.
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 P2814 Description

The P2814 diagnostic trouble code (DTC) indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit, specifically signaling a low voltage condition. The Transmission Control Solenoid Valve is a crucial component within the transmission system that controls the flow of transmission fluid and regulates the shifting of gears. When the control circuit for Solenoid Valve 7 is experiencing low voltage, it can disrupt the proper operation of the transmission, leading to various performance issues.

OBDII Code P2814 - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
P2814 Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage

Common Causes of P2814

  1. Faulty wiring or connections in the control circuit
  2. Malfunctioning Transmission Control Solenoid Valve 7
  3. Issues with the transmission control module
  4. Low transmission fluid level or pressure
  5. Electrical problems within the transmission system

Symptoms of P2814

  1. Erratic shifting behavior
  2. Harsh or delayed shifting
  3. Transmission slipping
  4. Illuminated check engine light
  5. Reduced fuel efficiency

How to Fix P2814

  1. Perform a comprehensive diagnostic scan to retrieve the specific trouble code and pinpoint the issue.
  2. Inspect the wiring and connections related to Transmission Control Solenoid Valve 7 for any signs of damage or corrosion.
  3. Test the solenoid valve for proper functioning and replace it if necessary.
  4. Check the transmission control module for any faults and reprogram or replace as needed.
  5. Verify the transmission fluid level and pressure to ensure they are within the manufacturer's specifications.

Cost to Fix P2814

The typical repair costs for addressing a Transmission Control Solenoid Valve 7 Control Circuit Low Voltage issue can range from $200 to $500, depending on the extent of the problem and the parts needed for repair. This estimate includes the cost of parts such as a new solenoid valve, wiring harness, or transmission control module, as well as labor costs for the diagnostic scan and repair procedures. It's important to note that actual repair costs can vary based on the specific vehicle make and model, as well as the shop's labor rates and location. It's advisable to consult with a trusted mechanic or repair facility to get a more accurate estimate for your particular situation.

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Code P2814 Information for Specific Makes

  • P2814 Buick — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
  • P2814 Cadillac — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
  • P2814 Chevrolet — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
  • P2814 GMC — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
  • P2814 Nissan — Select Solenoid
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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