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 electric pump that helps move the transmission fluid in the car is not working properly. It's like a water pump that stopped moving water, but for your car's transmission fluid.
The P0C2A code is triggered when the powertrain control module (PCM) detects that the electric or auxiliary transmission fluid pump A motor is not operating as expected. The motor is stalled, meaning it is not turning when it should be.
The electric or auxiliary transmission fluid pump is responsible for circulating transmission fluid in vehicles with hybrid or electric drivetrains. When the PCM detects that the motor for this pump is stalled, it sets the P0C2A code. This could be due to electrical issues, mechanical failures, or blockages in the pump.
• Illuminated check engine light
• Transmission overheating
• Poor transmission performance
• Unusual noises from the transmission area
• Faulty electric transmission fluid pump
• Electrical connection issues
• Blown fuse or relay
• Mechanical blockage in the pump
• Faulty PCM
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics II
• Check for other related codes
• Inspect the electrical connections to the pump
• Test the pump motor for operation
• Check for blockages in the transmission fluid lines
• Inspect the PCM for faults
• Replace the electric transmission fluid pump
• Repair or replace damaged wiring or connectors
• Replace any blown fuses or faulty relays
• Clear blockages in the fluid lines
• Reprogram or replace the PCM if necessary
• OBD-II scanner
• Multimeter
• Wrench set
• Screwdriver set
• Transmission fluid
$300 - $800
Moderate
• Toyota Prius
• Ford Fusion Hybrid
• Chevrolet Volt
• Regular maintenance of transmission system
• Check and replace transmission fluid as needed
• Inspect electrical connections periodically
Transmission System
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult with a professional mechanic for accurate diagnosis.
Check with your vehicle manufacturer for warranty coverage on transmission components.
This code is commonly associated with hybrid and electric vehicles due to their reliance on electric pumps for transmission fluid circulation.
High – Driving with this issue can lead to transmission damage.
Ignoring this code can result in transmission failure, posing safety risks.
• Vehicle in operation
• Transmission fluid at operating temperature
The electric transmission fluid pump is typically located near the transmission or integrated into the transmission assembly.
Q: Can I drive with a P0C2A code?
A: It is not recommended to drive with this code active, as it can cause further damage to the transmission.
Q: How do I reset the P0C2A code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, the code will return.
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