P2814 2014 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
Quick Answer
The P2814 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Transmission Control Solenoid Valve 7 Control Circuit Low Voltage. Common causes include Faulty transmission control solenoid valve 7, Wiring issues or poor electrical connections, Low transmission fluid level or contaminated fluid. 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 2014 GMC Sierra indicates Transmission Control Solenoid Valve 7 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty transmission control solenoid valve 7, Wiring issues or poor electrical connections, Low transmission fluid level or contaminated fluid.
- 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 2014 GMC Sierra Description
The P2814 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Transmission Control Solenoid Valve 7 Control Circuit Low Voltage. This code indicates that there is an issue with the electrical circuit responsible for controlling the transmission control solenoid valve 7, which can impact the proper operation of the transmission system in the vehicle.
Common Causes of P2814 2014 GMC Sierra
- Faulty transmission control solenoid valve 7
- Wiring issues or poor electrical connections
- Low transmission fluid level or contaminated fluid
- Faulty transmission control module
- Electrical system issues
Symptoms of P2814 2014 GMC Sierra
- Erratic shifting patterns
- Difficulty shifting gears
- Transmission slipping
- Harsh shifting
- Limp mode activation
How to Fix P2814 2014 GMC Sierra
- Begin by conducting a thorough inspection of the transmission control solenoid valve 7 and its wiring harness to check for any visible damage or corrosion.
- Test the solenoid valve and the control circuit using a multimeter to determine if there is a lack of voltage or a short circuit.
- Replace the transmission control solenoid valve 7 if it is found to be faulty, ensuring proper installation and connection.
- Repair any damaged wiring or connectors in the control circuit, ensuring secure connections and proper insulation.
- Clear the DTC from the vehicle's computer using a diagnostic scan tool and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P2814 2014 GMC Sierra
The typical repair costs for addressing the P2814 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a transmission control solenoid valve can cost between $150 and $300, while addressing wiring issues or electrical system problems may range from $100 to $500. Labor costs can add an additional $80 to $150 per hour, and the total repair bill could range from $300 to $1000 or more. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P2814 2014 GMC Sierra Code
What does the OBDII code P2814 mean for a 2014 GMC Sierra?
The code P2814 indicates a low voltage issue in the Transmission Control Solenoid Valve 7 control circuit, which is responsible for managing gear shifts in the transmission.
What are the common symptoms of a P2814 code in a 2014 GMC Sierra?
Symptoms may include harsh or delayed shifting, erratic transmission behavior, reduced fuel efficiency, or the transmission being stuck in a single gear.
What causes the P2814 code to appear in a 2014 GMC Sierra?
Common causes include a faulty transmission control solenoid, damaged wiring or connectors in the circuit, low transmission fluid, or issues with the transmission control module (TCM).
Can a low transmission fluid level trigger the P2814 code?
Yes, low or contaminated transmission fluid can affect solenoid operation and cause the P2814 code to trigger.
How do you diagnose the P2814 code in a 2014 GMC Sierra?
Diagnosis involves scanning for codes, inspecting the solenoid and its wiring for damage, checking the transmission fluid level and quality, and testing the voltage and continuity of the solenoid circuit.
Is it safe to drive a 2014 GMC Sierra with a P2814 code?
Driving with this code is not recommended, as it may cause further damage to the transmission or lead to unsafe driving conditions due to erratic shifting.
How much does it cost to fix the P2814 code on a 2014 GMC Sierra?
Repair costs vary but may range from $200 to $500 for solenoid replacement. Additional costs could apply if wiring or TCM repairs are needed.
Can a faulty transmission control module cause the P2814 code?
Yes, a malfunctioning TCM can result in incorrect signals to the solenoid, triggering the P2814 code.
How can the P2814 code be fixed on a 2014 GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing damaged wiring or connectors, topping off or flushing the transmission fluid, or reprogramming or replacing the TCM.
Will clearing the P2814 code solve the problem?
Clearing the code without addressing the underlying issue will not solve the problem, and the code will likely return. Proper diagnosis and repair are necessary.
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