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 part of your car's clutch system, called Clutch B, is getting too hot. It's like when you play too hard and get really sweaty. The car is telling you it needs a break or something might be wrong.
The P27F3 code is triggered when the temperature sensor detects that Clutch B is operating at a temperature higher than the manufacturer's specified limit.
The transmission control module (TCM) monitors the temperature of Clutch B using a temperature sensor. If the temperature exceeds the predefined threshold, the TCM sets the P27F3 code. This could indicate excessive friction or a malfunction in the clutch cooling system.
• Warning light on the dashboard
• Transmission slipping
• Poor vehicle acceleration
• Low transmission fluid levels
• Faulty temperature sensor
• Blocked or restricted transmission fluid passages
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
Clutch: A device that engages and disengages the power transmission, especially from a drive shaft to a driven shaft.
• Check transmission fluid levels and condition.
• Inspect the temperature sensor for damage or faults.
• Examine transmission fluid passages for blockages.
• Refill or replace transmission fluid as needed.
• Replace faulty temperature sensor.
• Clear any blockages in the transmission fluid system.
• OBD-II scanner
• Transmission fluid dipstick
• Multimeter
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly check and maintain transmission fluid levels.
• Ensure proper cooling system function.
• Avoid excessive towing or overloading.
Transmission System Issue
• Avoid driving aggressively until the issue is resolved.
• Get the vehicle checked by a professional mechanic.
Check with your vehicle manufacturer for specific warranty coverage related to transmission components.
This code has been associated with vehicles that experience heavy towing or high-performance driving conditions.
Moderate – Addressing this issue promptly can prevent further damage to the transmission.
Ignoring this warning could lead to transmission failure, which may compromise vehicle safety.
• Vehicle at operating temperature
• Normal driving conditions
Clutch B is located within the vehicle's transmission assembly.
Q: Can I drive with a P27F3 code?
A: It's not recommended to drive for long periods with this code active, as it could lead to further damage.
Q: How do I know if my transmission fluid is low?
A: You can check the transmission fluid level using the dipstick when the engine is warm and the vehicle is on a level surface.
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