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 having trouble communicating with the pump that helps move the transmission fluid. It's like when your phone can't connect to Wi-Fi.
The code indicates an issue with the feedback signal from the control module that manages the electric or auxiliary transmission fluid pump.
The P0C2B code is triggered when the Powertrain Control Module (PCM) detects an incorrect or missing feedback signal from the control module responsible for the electric or auxiliary transmission fluid pump. This pump is crucial for maintaining proper fluid pressure and flow within the transmission, especially in hybrid or electric vehicles.
• Check Engine Light illuminated
• Transmission not shifting properly
• Unusual noise from the transmission area
• Faulty transmission fluid pump control module
• Wiring issues such as shorts or open circuits
• Defective transmission fluid pump
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to verify the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the transmission fluid pump control module for proper operation.
• Replace or repair damaged wiring or connectors.
• Replace the faulty transmission fluid pump control module.
• Replace the defective transmission fluid pump.
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $800
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regular maintenance of the transmission system
• Periodic inspection of wiring and connectors
• Use of high-quality transmission fluid
Sensor Issue
• Avoid driving the vehicle until the issue is resolved.
• Consult a professional mechanic for diagnosis and repair.
Check with the vehicle manufacturer for warranty coverage on transmission components.
This code is more common in hybrid and electric vehicles due to their reliance on electric transmission fluid pumps.
High – This issue can lead to transmission failure if not addressed promptly.
Driving with this code may lead to unsafe driving conditions. It is advisable to have the vehicle inspected by a professional.
• Vehicle in Park or Neutral
• Engine running
The electric/auxiliary transmission fluid pump is typically located near the transmission assembly.
Q: Can I drive with a P0C2B code?
A: It's not recommended to drive with this code as it may lead to transmission damage.
Q: How do I reset the P0C2B code?
A: The code can be reset with an OBD-II scanner, but the underlying issue should be fixed first.
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