P2814 GMC 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 GMC 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 GMC Description
What are the Possible Causes of the DTC P2814 GMC?
- 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 GMC?
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 GMC 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.
Need more information about the P2814 GMC code?
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Information for Specific GMC Models
- P2814 2014 GMC Sierra — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
- P2814 2015 GMC Sierra — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
- P2814 2016 GMC Sierra — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
- P2814 2017 GMC Sierra — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
- P2814 2018 GMC Sierra — Transmission Control Solenoid Valve 7 Control Circuit Low Voltage
Frequently Asked Questions about P2814 GMC Code
What does the OBDII code P2814 mean for a GMC vehicle?
The P2814 code indicates a low voltage issue in the control circuit of Transmission Control Solenoid Valve 7, which may affect gear shifting.
What are common symptoms of the P2814 code in a GMC?
Common symptoms include harsh or erratic shifting, the transmission being stuck in one gear, or the illumination of the Check Engine Light.
What causes the P2814 code to appear in a GMC?
Possible causes include a faulty solenoid, damaged wiring or connectors in the circuit, low transmission fluid, or a malfunctioning transmission control module (TCM).
Can low transmission fluid trigger the P2814 code?
Yes, low or contaminated transmission fluid can cause improper solenoid operation, potentially triggering the P2814 code.
How do you diagnose the P2814 code in a GMC?
Diagnosis involves checking transmission fluid levels, inspecting wiring and connectors for damage, testing the solenoid, and using a scan tool to monitor the circuit's voltage.
Can driving with the P2814 code damage the transmission?
Yes, continuing to drive with this code can cause further transmission damage or unsafe driving conditions due to erratic shifting.
How do you fix the P2814 code on a GMC?
Repairs may include replacing the faulty solenoid, repairing damaged wiring or connectors, refilling or replacing transmission fluid, or reprogramming or replacing the TCM.
Is the P2814 code specific to GMC vehicles?
No, the P2814 code is a generic OBDII code and can appear in other vehicle makes, but the specifics of the repair may vary.
How much does it cost to repair the P2814 code on a GMC?
Repair costs vary depending on the issue but may range from $100 to $400 for wiring repairs or solenoid replacement, and more if the TCM needs replacement.
Can resetting the Check Engine Light fix the P2814 code?
Resetting the light may clear the code temporarily, but the underlying issue must be addressed to prevent it from returning.
Discuss the causes and fixes for P2814 GMC OBDII Code
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