P0974 2016 Chevrolet Silverado Code - Shift Solenoid Valve 1 Control Circuit High Voltage
Quick Answer
The P0974 code on a 2016 Chevrolet Silverado indicates a problem with the Shift Solenoid Valve 1 Control Circuit, specifically detecting a high voltage condition. Common causes include Faulty shift solenoid valve, Wiring issues in the control circuit, Malfunctioning transmission control module (TCM). 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
- P0974 2016 Chevrolet Silverado indicates Shift Solenoid Valve 1 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty shift solenoid valve, Wiring issues in the control circuit, Malfunctioning transmission control module (TCM).
- 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.
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Code P0974 2016 Chevrolet Silverado Description
The P0974 code on a 2016 Chevrolet Silverado indicates a problem with the Shift Solenoid Valve 1 Control Circuit, specifically detecting a high voltage condition. The shift solenoid valve is responsible for controlling the flow of transmission fluid to engage or disengage specific gears in the transmission. When the control circuit for this solenoid detects a high voltage, it means that there is an electrical issue affecting the proper operation of the solenoid.
Common Causes of P0974 2016 Chevrolet Silverado
- Faulty shift solenoid valve
- Wiring issues in the control circuit
- Malfunctioning transmission control module (TCM)
- Short circuit in the system
- Corrosion or damage to electrical connectors
Symptoms of P0974 2016 Chevrolet Silverado
- Delayed or harsh shifting
- Stuck in a particular gear
- Poor acceleration
- Reduced fuel efficiency
- Illumination of the Check Engine Light
How to Fix P0974 2016 Chevrolet Silverado
- Begin by conducting a thorough inspection of the wiring harness and connectors associated with the Shift Solenoid Valve 1 Control Circuit.
- Test the shift solenoid valve to determine if it is functioning correctly. If it is faulty, replace it with a new one.
- Check the transmission control module (TCM) for any signs of damage or malfunction. Replace if necessary.
- Clear the diagnostic trouble codes from the vehicle's computer and perform a test drive to ensure that the issue has been resolved.
- If the problem persists, further diagnostics may be required to pinpoint the exact cause of the high voltage condition.
Cost to Fix P0974 2016 Chevrolet Silverado
The cost of repairing a Shift Solenoid Valve 1 Control Circuit High Voltage issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain quotes from multiple sources to ensure a fair price.
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