P2814 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC P2814 Buick?
- 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 Buick?
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 Buick 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 Buick Code
1. What does the OBDII code P2814 mean on a Buick?
The P2814 code indicates a problem with the Transmission Control Solenoid Valve 7, specifically a low voltage issue in its control circuit.
2. What are the common symptoms of the P2814 code in a Buick?
Symptoms may include harsh or erratic shifting, transmission slipping, reduced fuel efficiency, or the vehicle going into limp mode.
3. What causes the P2814 code to appear on a Buick?
The code can be caused by a faulty transmission control solenoid, damaged wiring or connectors, low transmission fluid levels, or a malfunctioning transmission control module (TCM).
4. Can I continue driving my Buick with the P2814 code?
Driving with the P2814 code is not recommended, as it can lead to further transmission damage and unsafe driving conditions.
5. How do I diagnose the P2814 code on a Buick?
Diagnosis involves checking the transmission fluid level, inspecting the wiring and connectors for damage, testing the solenoid, and scanning the TCM for additional codes.
6. How much does it cost to fix the P2814 code on a Buick?
Repair costs vary depending on the issue but can range from $150 to $400 for a solenoid replacement and up to $1,000 or more for more complex transmission repairs.
7. Can low transmission fluid cause the P2814 code on a Buick?
Yes, low or dirty transmission fluid can cause the P2814 code by affecting the performance of the transmission solenoid.
8. What tools are needed to troubleshoot the P2814 code on a Buick?
Tools include an OBDII scanner, a multimeter for electrical testing, and possibly a transmission pressure gauge.
9. How is the P2814 code fixed on a Buick?
Repairs may include replacing the faulty solenoid, repairing damaged wiring or connectors, replenishing transmission fluid, or reprogramming the TCM.
10. Does resetting the code clear the P2814 issue on a Buick?
Clearing the code with an OBDII scanner may temporarily remove it, but unless the underlying issue is resolved, the code will likely return.
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