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 is a problem with the sensor inside the car that checks the temperature of a pump that helps move the transmission fluid. It's like when a thermometer isn't working right and you can't tell if it's too hot or cold.
The code indicates an issue with the internal temperature sensor circuit of the electric or auxiliary transmission fluid pump control module. The sensor is not reading temperatures correctly, or the readings are outside expected parameters.
The P0C1D code is triggered when the Powertrain Control Module (PCM) detects a range or performance problem with the internal temperature sensor circuit of the electric or auxiliary transmission fluid pump control module. This sensor helps monitor the operating temperature of the pump to ensure it functions within its optimal range.
• Check Engine Light illuminated
• Transmission overheating
• Poor transmission performance
• Faulty temperature sensor
• Wiring issues such as shorts or open circuits
• Defective transmission fluid pump control module
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect wiring and connectors for damage or corrosion.
• Test the temperature sensor for proper operation.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring or connectors.
• Replace the transmission fluid pump control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regular maintenance of transmission system
• Ensure proper fluid levels
• Inspect electrical connections periodically
Sensor Issue
• Avoid driving aggressively until repaired.
• Monitor transmission temperature if possible.
• Schedule a service appointment promptly.
Check vehicle warranty for coverage on transmission and sensor components.
This code has been reported in hybrid and electric vehicles where electric pumps are used to circulate transmission fluid.
Moderate – Addressing the issue soon can prevent further transmission damage.
Driving with a malfunctioning transmission can lead to safety issues and potential legal liabilities if it results in an accident.
• Vehicle at operating temperature
• Transmission engaged
The temperature sensor is typically located within or near the electric transmission fluid pump control module.
Q: Can I drive with a P0C1D code?
A: It's not recommended to drive for extended periods with this code as it can lead to transmission damage.
Q: How do I reset the P0C1D code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is fixed first.
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