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 has detected a problem with a switch that helps change gears. It's like a light switch that isn't working right.
The P07CC code is triggered when the transmission control module (TCM) detects a low voltage signal from the transmission mode switch C circuit.
The transmission mode switch is responsible for sending signals to the TCM to indicate the current gear selection. A 'Circuit Low' condition indicates that the voltage in the circuit is below the expected range, which could be due to a wiring issue, a faulty switch, or a problem with the TCM.
• Check Engine Light is on
• Transmission may not shift properly
• Vehicle may be stuck in a single gear
• Faulty transmission mode switch
• Damaged or corroded wiring or connectors
• Faulty transmission control module (TCM)
Transmission Mode Switch: A component that helps the vehicle's computer know which gear the transmission is in.
Transmission Control Module (TCM): A computer that controls the transmission's operation.
• Use an OBD-II scanner to verify the code and any related codes.
• Inspect the wiring and connectors for damage or corrosion.
• Test the transmission mode switch for proper operation.
• Replace the faulty transmission mode switch.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the transmission control module (TCM) if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain transmission wiring.
• Avoid harsh driving conditions that may damage the transmission.
• Ensure regular transmission fluid changes.
Sensor Issue
• If the Check Engine Light is on, have the vehicle inspected as soon as possible.
• Avoid driving the vehicle if it is stuck in gear to prevent further damage.
Check with your vehicle manufacturer for specific warranty coverage related to the transmission system.
This code has been reported in vehicles with electronic transmission controls, particularly in models with higher mileage.
Moderate – Addressing this issue promptly can prevent further transmission damage.
Driving with a malfunctioning transmission can be dangerous. Ensure repairs are conducted by a qualified technician.
• Vehicle must be running and in gear.
• Transmission fluid should be at the correct level and temperature.
The transmission mode switch is typically located on or near the transmission housing.
Q: Can I drive with a P07CC code?
A: It's not recommended to drive with this code active, as it may cause transmission issues and further damage.
Q: How can I reset the P07CC code?
A: After repairs, you can reset the code using an OBD-II scanner. However, if the issue persists, the code will reappear.
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