P2814 2016 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
Quick Answer
The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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 Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
- 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.
Code P2814 2016 GMC Sierra Description
What are the Possible Causes of the DTC P2814 2016 GMC Sierra?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve
- Transmission Control Solenoid Valve harness is open or shorted
- Transmission Control Solenoid Valve circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P2814 2016 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2814 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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