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P0973 Chevrolet Code - Shift Solenoid Valve 1 Control Circuit Low Voltage

Quick Answer

The P0973 code for Chevrolet vehicles indicates a problem with the Shift Solenoid Valve 1 Control Circuit, specifically detecting low voltage. Common causes include Faulty wiring or connectors in the shift solenoid valve control circuit, Malfunctioning shift solenoid valve, Low transmission fluid levels. 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
P0973 Chevrolet indicates Shift Solenoid Valve 1 Control Circuit Low Voltage.
Common causes
Common causes include Faulty wiring or connectors in the shift solenoid valve control circuit, Malfunctioning shift solenoid valve, Low transmission fluid levels.
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 11, 2024
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Code P0973 Chevrolet Description

The P0973 code for Chevrolet vehicles indicates a problem with the Shift Solenoid Valve 1 Control Circuit, specifically detecting low voltage. The shift solenoid valve is a crucial component of the transmission system, responsible for controlling the flow of transmission fluid to engage and disengage gears. In this case, the low voltage detected suggests that there is an issue with the electrical circuitry that controls the solenoid valve.

OBDII Code P0973 Chevrolet - Shift Solenoid Valve 1 Control Circuit Low Voltage
P0973 Chevrolet Code - Shift Solenoid Valve 1 Control Circuit Low Voltage

Common Causes of P0973 Chevrolet

  1. Faulty wiring or connectors in the shift solenoid valve control circuit
  2. Malfunctioning shift solenoid valve
  3. Low transmission fluid levels
  4. Damaged transmission control module
  5. Electrical issues such as a blown fuse or short circuit

Symptoms of P0973 Chevrolet

  1. Rough or delayed shifting between gears
  2. Transmission slipping or jerking during acceleration
  3. Illuminated check engine light
  4. Decreased fuel efficiency
  5. Vehicle may go into "limp mode" to protect the transmission

How to Fix P0973 Chevrolet

  1. Begin by conducting a thorough inspection of the wiring and connectors in the shift solenoid valve control circuit to check for any damage or corrosion. Repair or replace any faulty components.
  2. Test the shift solenoid valve to ensure it is functioning properly. Replace the valve if necessary.
  3. Check and top up transmission fluid levels if low. Inspect for any leaks that may have caused the fluid loss.
  4. Scan the transmission control module for any error codes and reset if needed. Update the software if applicable.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive to verify that the issue has been resolved.

Cost to Fix P0973 Chevrolet

The cost of repairing a P0973 code in a Chevrolet vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost for parts such as a shift solenoid valve or wiring harness can range from $100 to $300, while labor costs can add another $100 to $200. Overall, the total repair costs for addressing this code typically fall between $200 and $500. It's important to note that labor rates and part prices can vary significantly based on location, vehicle make and model, and the repair facility chosen. For a more accurate estimate, it is recommended to consult with a local auto repair shop.

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Tech Notes for P0973 Chevrolet

















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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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