P2814 2016 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
Quick Answer
The P2814 code on a 2016 GMC Sierra indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit, specifically reporting low voltage. Common causes include Faulty transmission control solenoid valve, Wiring issues or damaged connectors in the solenoid circuit, Low transmission fluid levels or dirty 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 2016 GMC Sierra indicates Transmission Control Solenoid Valve 7 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty transmission control solenoid valve, Wiring issues or damaged connectors in the solenoid circuit, Low transmission fluid levels or dirty 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 2016 GMC Sierra Description
The P2814 code on a 2016 GMC Sierra indicates a problem with the Transmission Control Solenoid Valve 7 Control Circuit, specifically reporting low voltage. The transmission control solenoid valves are crucial components responsible for regulating the flow of transmission fluid within the transmission system. Solenoids control the engagement of gears, shifting patterns, and overall transmission performance.
Common Causes of P2814 2016 GMC Sierra
- Faulty transmission control solenoid valve
- Wiring issues or damaged connectors in the solenoid circuit
- Low transmission fluid levels or dirty fluid
- Electrical issues such as a blown fuse or short circuit
- Faulty transmission control module
Symptoms of P2814 2016 GMC Sierra
- Erratic shifting patterns
- Harsh or delayed shifts
- Transmission slipping
- Transmission overheating
- Illumination of the Check Engine Light
How to Fix P2814 2016 GMC Sierra
- Begin by conducting a thorough inspection of the transmission control solenoid valve 7 and its wiring harness for any visible damage or corrosion.
- Test the solenoid valve and its circuit using a multimeter to check for proper voltage and continuity.
- Replace the transmission control solenoid valve if it is found to be faulty, ensuring proper installation and connection.
- Check and repair any damaged wiring or connectors in the solenoid circuit.
- Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2814 2016 GMC Sierra
The cost of repairing a Transmission Control Solenoid Valve 7 Control Circuit Low Voltage issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the parts for a transmission control solenoid valve replacement can range from $100 to $300, while labor costs can range from $150 to $300. Overall, the total repair cost for this issue could be anywhere from $250 to $600. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle.
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Frequently Asked Questions about P2814 2016 GMC Sierra Code
1. What does the OBDII code P2814 mean on a 2016 GMC Sierra?
P2814 indicates a low voltage issue in the Transmission Control Solenoid Valve 7 Control Circuit, which affects the vehicle's transmission operation.
2. What are the common symptoms of code P2814 in a GMC Sierra?
Symptoms may include erratic shifting, transmission slipping, poor acceleration, or the vehicle going into "limp mode."
3. What causes the P2814 code in the 2016 GMC Sierra?
Common causes include a faulty transmission control solenoid, damaged wiring or connectors in the circuit, low transmission fluid levels, or a failing transmission control module (TCM).
4. Can driving with code P2814 damage my transmission?
Yes, continued driving with this code may cause further damage to the transmission due to improper shifting and increased internal stress.
5. How can I diagnose code P2814 on my GMC Sierra?
Use a scan tool to monitor live transmission data, inspect wiring and connectors for damage, and test the solenoid for proper resistance and function.
6. Is a faulty solenoid the only cause of the P2814 code?
No, other potential causes include corroded or damaged wiring, a failing TCM, or low transmission fluid adversely affecting the circuit.
7. How do I fix the P2814 code on my 2016 GMC Sierra?
Repairs may involve replacing the faulty solenoid, repairing or replacing damaged wiring, refilling or flushing transmission fluid, or reprogramming or replacing the TCM.
8. Can a software update resolve the P2814 code?
In some cases, a TCM software update from the dealership can resolve the issue if it is related to transmission control logic.
9. What tools are needed to troubleshoot the P2814 code?
You’ll need an OBDII scan tool, a multimeter for electrical testing, and possibly transmission-specific tools for solenoid removal and replacement.
10. How much does it cost to repair a P2814 code on a GMC Sierra?
Repair costs vary but can range from $150 for wiring repairs to over $1,000 if the solenoid or TCM needs replacement. Labor costs may add to the total.
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