Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the electrical circuit for a part that helps control the pressure in the transmission. It's like when a light switch isn't working because the wires are disconnected.
The P2812 code is triggered when the transmission control module (TCM) detects an open circuit or a problem in the electrical circuit for the pressure control solenoid G.
The pressure control solenoids in a transmission are responsible for regulating hydraulic pressure to ensure smooth gear shifts. Solenoid G is one of these solenoids, and an open circuit indicates a break or disconnection in the wiring or solenoid itself, preventing it from functioning correctly.
• Harsh or erratic shifting
• Transmission slipping
• Illuminated check engine light
• Reduced fuel efficiency
• Faulty pressure control solenoid G
• Open or shorted wiring in the solenoid circuit
• Poor electrical connection at the solenoid
• Faulty transmission control module (TCM)
Solenoid: An electromechanical device used to control fluid flow in the transmission.
TCM: Transmission Control Module, the computer that manages the transmission's operation.
• Use an OBD-II scanner to verify the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the solenoid for proper operation.
• Check the transmission control module for faults.
• Repair or replace damaged wiring or connectors.
• Replace the faulty pressure control solenoid G.
• Update or replace the transmission control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Toyota Camry
• Honda Accord
• Ford Focus
• Regular transmission fluid changes
• Routine inspection of electrical connectors
• Avoiding harsh driving conditions
Transmission Control Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Check with your vehicle manufacturer; transmission components may be covered under powertrain warranty.
This code has been associated with vehicles experiencing electrical issues in the transmission system, particularly in models with electronically controlled transmissions.
Moderate – It should be addressed soon to prevent further transmission damage.
Driving with transmission issues can lead to safety hazards and further damage to the vehicle.
• Vehicle must be in a safe, stationary position.
• Ensure the engine is off and the ignition is in the 'on' position for testing.
The pressure control solenoid G is located inside the transmission, often accessible by removing the transmission pan.
Q: Can I drive with a P2812 code?
A: It's not recommended to drive with this code active, as it can lead to further transmission damage.
Q: How is the solenoid tested?
A: A multimeter can be used to check for continuity and resistance in the solenoid circuit.
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