P2814 2017 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
Quick Answer
The P2814 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Transmission Control Solenoid Valve 7 Control Circuit having low voltage. Common causes include Faulty Transmission Control Solenoid Valve 7, Damaged wiring or connectors in the control circuit, Malfunctioning 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 2017 GMC Sierra indicates Transmission Control Solenoid Valve 7 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Transmission Control Solenoid Valve 7, Damaged wiring or connectors in the control circuit, Malfunctioning 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.
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Code P2814 2017 GMC Sierra Description
The P2814 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Transmission Control Solenoid Valve 7 Control Circuit having low voltage. The transmission control solenoid valves play a crucial role in regulating the flow of transmission fluid within the transmission system, which in turn controls gear shifting and overall transmission performance. In this case, a low voltage signal is being detected in the circuit responsible for controlling the Transmission Control Solenoid Valve 7.
Common Causes of P2814 2017 GMC Sierra
- Faulty Transmission Control Solenoid Valve 7
- Damaged wiring or connectors in the control circuit
- Malfunctioning transmission control module
- Issues with the vehicle's battery or electrical system
- Corrosion or poor connections in the transmission system
Symptoms of P2814 2017 GMC Sierra
- Erratic shifting behavior
- Delayed or harsh shifting
- Slipping gears
- Transmission not shifting gears
- Illumination of the Check Engine Light
How to Fix P2814 2017 GMC Sierra
- Begin by diagnosing the specific cause of the low voltage in the Transmission Control Solenoid Valve 7 Control Circuit using a diagnostic scanner.
- Inspect the wiring and connectors in the control circuit for any damage or corrosion, and repair or replace as needed.
- Test the Transmission Control Solenoid Valve 7 for proper function and replace if found to be faulty.
- Check the transmission control module for any malfunctions and address any issues with reprogramming or replacement.
- Clear the DTC and test drive the vehicle to ensure that the transmission is shifting correctly.
Cost to Fix P2814 2017 GMC Sierra
The typical repair costs for addressing a P2814 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a Transmission Control Solenoid Valve 7 can range from $150 to $300, while diagnosing and repairing wiring or connector issues may cost between $100 and $200. If the transmission control module needs replacement, the cost can be higher, ranging from $500 to $1000. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and shop rates. It is advisable to consult with a trusted mechanic for a more accurate cost estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P2814 2017 GMC Sierra Code
What does the OBDII code P2814 mean in a 2017 GMC Sierra?
P2814 indicates a low voltage issue in the control circuit for Transmission Control Solenoid Valve 7, which helps regulate gear shifting.
What are the common symptoms of code P2814 in a 2017 GMC Sierra?
Symptoms may include transmission slipping, harsh or delayed shifting, reduced fuel efficiency, or the check engine light turning on.
What causes the P2814 code to appear in my GMC Sierra?
Common causes include a faulty transmission control solenoid, damaged wiring or connectors, low transmission fluid levels, or a malfunctioning Transmission Control Module (TCM).
Can low transmission fluid cause the P2814 code?
Yes, low or contaminated transmission fluid can impair solenoid operation and trigger the P2814 code.
How can I fix the P2814 code in my 2017 GMC Sierra?
Repairs may involve replacing the faulty solenoid, repairing or replacing damaged wiring, ensuring proper fluid levels, or reprogramming or replacing the TCM.
Is it safe to drive with the P2814 code active?
Driving with this code can cause further transmission damage or unsafe shifting. It’s best to address the issue as soon as possible.
How do I diagnose the P2814 code in my GMC Sierra?
Diagnosis involves scanning the vehicle for codes, inspecting solenoid wiring and connectors for damage, testing the solenoid for proper function, and checking the transmission fluid condition.
Can a faulty TCM cause the P2814 code?
Yes, a malfunctioning Transmission Control Module can cause improper voltage signals and lead to the P2814 code.
How much does it cost to fix the P2814 code on a GMC Sierra?
Repair costs vary but may range from $200 to $500 for solenoid replacement, while TCM replacement could cost $500 to $1,200 depending on labor and parts.
Can clearing the P2814 code with a scanner solve the problem?
Clearing the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will likely reoccur until repairs are made.
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