Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the electric pump that helps move the fluid in the car's transmission. It's like a helper motor that's not working right.
The P0C26 code indicates an issue with the current draw of the electric or auxiliary transmission fluid pump motor. This could mean the motor is drawing too much or too little current.
The P0C26 code is triggered when the Powertrain Control Module (PCM) detects an abnormal current draw from the electric or auxiliary transmission fluid pump A motor. This could be due to a fault in the motor itself, wiring issues, or a malfunctioning control module.
• Check Engine Light is on
• Transmission overheating
• Transmission not shifting properly
• Faulty electric transmission fluid pump motor
• Wiring issues or poor connections
• Faulty control module
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the pump motor.
• Test the pump motor for proper operation.
• Replace the faulty pump motor.
• Repair or replace damaged wiring.
• Replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regular maintenance of the transmission system
• Check and replace transmission fluid as recommended
• Inspect wiring for wear and tear
Sensor Issue
• Avoid driving the vehicle until the issue is fixed to prevent transmission damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Transmission components may be covered under powertrain warranty. Check with the manufacturer.
This code is more common in hybrid vehicles where electric pumps are used to assist the transmission.
Moderate – Addressing this issue promptly can prevent further transmission damage.
Driving with a faulty transmission pump can lead to unsafe driving conditions. It is advised to fix the issue as soon as possible.
• Vehicle at operating temperature
• Transmission in drive or reverse
The electric transmission fluid pump is typically located near the transmission or integrated within it.
Q: Can I drive with a P0C26 code?
A: It's not recommended as it can lead to further transmission damage.
Q: How do I reset the P0C26 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, the code will return.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.