P2814 2015 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 2015 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 2015 GMC Sierra Description
What are the Possible Causes of the DTC P2814 2015 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 2015 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 2015 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 2015 GMC Sierra Code
1. What does the OBDII code P2814 mean on a 2015 GMC Sierra?
The P2814 code indicates a "Transmission Control Solenoid Valve 7 Control Circuit Low Voltage," meaning the transmission control module (TCM) has detected a low voltage issue in the control circuit for solenoid 7.
2. What are the common symptoms of the P2814 code on a 2015 GMC Sierra?
Symptoms may include transmission slipping, harsh or delayed shifting, the transmission stuck in one gear, reduced fuel efficiency, or the check engine light being illuminated.
3. What causes the P2814 code to appear on a 2015 GMC Sierra?
Common causes include a faulty shift solenoid, damaged or corroded wiring or connectors, a malfunctioning TCM, or low transmission fluid levels.
4. Can I drive my 2015 GMC Sierra with the P2814 code?
Driving with the P2814 code is not recommended, as it can lead to further transmission damage or unsafe driving conditions due to shifting issues.
5. How do I diagnose the P2814 code on a 2015 GMC Sierra?
Diagnosis involves scanning for codes, inspecting the transmission wiring and connectors for damage, testing the solenoid for proper operation, and checking the TCM for faults.
6. How do I fix the P2814 code on a 2015 GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, updating or replacing the TCM, or ensuring the transmission fluid is at the correct level.
7. How much does it cost to fix the P2814 code on a 2015 GMC Sierra?
Repair costs can vary, but replacing a shift solenoid may range from $200 to $500, including parts and labor. Wiring repairs or TCM replacement could cost more.
8. Is low transmission fluid a possible cause of the P2814 code?
Yes, low or contaminated transmission fluid can cause improper solenoid operation and trigger the P2814 code.
9. Can a bad battery cause the P2814 code on a 2015 GMC Sierra?
A weak or failing battery can potentially cause voltage issues, which might contribute to triggering the P2814 code.
10. Do I need to reprogram the TCM after fixing the P2814 code on a 2015 GMC Sierra?
Reprogramming the TCM may be necessary if it was replaced or if the issue stemmed from outdated firmware. Always follow the manufacturer's guidelines.
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