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 is getting a weak signal from the part that helps pump the transmission fluid. It's like when a flashlight's batteries are running low and it doesn't shine as bright.
The P0C2D code indicates that the feedback signal from the electric or auxiliary transmission fluid pump control module is lower than expected.
The electric or auxiliary transmission fluid pump is responsible for circulating transmission fluid when the engine is off or at low speeds. The control module monitors the pump's operation through a feedback signal. If this signal is lower than the expected range, the P0C2D code is triggered. This could be due to electrical issues, a faulty pump, or a malfunctioning control module.
• Check Engine Light is on
• Transmission overheating
• Unusual transmission noises
• Faulty electric/auxiliary transmission fluid pump
• Wiring issues or poor electrical connections
• Defective control module
Transmission Fluid: A liquid used to lubricate and cool the components of a vehicle's transmission.
Control Module: An electronic device that manages the operation of a vehicle system.
• Check for any other related trouble codes
• Inspect the wiring and connectors to the pump
• Test the pump's operation and feedback signal
• Repair or replace damaged wiring or connectors
• Replace the electric/auxiliary transmission fluid pump
• Replace the control module if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regular maintenance of the transmission system
• Ensure proper electrical connections
• Monitor transmission fluid levels
Sensor Issue
• Do not ignore the Check Engine Light; get it diagnosed promptly.
• Avoid driving the vehicle if you notice transmission issues.
• Consult a professional mechanic for accurate diagnosis and repair.
Check if the vehicle's powertrain warranty covers transmission components.
This code has been more common in hybrid and electric vehicles due to their complex transmission systems.
Moderate – Address promptly to avoid potential transmission damage.
Driving with transmission issues can lead to safety hazards. Ensure repairs are conducted by a qualified technician.
• Vehicle in park or neutral
• Engine at operating temperature
The electric/auxiliary transmission fluid pump is typically located near the transmission assembly.
Q: Can I drive with a P0C2D code?
A: It's not recommended to drive with this code active, as it may lead to transmission damage.
Q: How do I reset the P0C2D code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, further diagnosis is needed.
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