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 found a problem with how two parts of the transmission, called Clutch B and Clutch E, are working together. It's like if two friends were supposed to pass a ball back and forth, but they keep dropping it.
The vehicle's transmission control module (TCM) monitors the gear ratios and clutch operations. If it detects that the ratios involving Clutch B and Clutch E are not within the expected range, it triggers this code.
The P17F4 code indicates an issue with the transmission's ability to maintain the proper gear ratio, specifically involving Clutch B and Clutch E. This could be due to mechanical wear, hydraulic issues, or electronic control problems within the transmission system.
• Transmission slipping
• Erratic shifting
• Check Engine Light on
• Faulty transmission solenoid
• Hydraulic pressure issues
• Worn or damaged clutches
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 driving shaft to a driven shaft.
• Check for other related transmission codes.
• Inspect the transmission fluid level and condition.
• Test the transmission solenoids and hydraulic pressure.
• Replace faulty transmission solenoids.
• Repair or replace worn clutches.
• Flush and refill transmission fluid.
• OBD-II scanner
• Transmission fluid pressure gauge
• Basic hand tools
$500 - $1500
Difficult
• Nissan Altima
• Infiniti Q50
• Renault Koleos
• Regular transmission fluid changes
• Routine transmission inspections
• Avoid aggressive driving habits
Transmission Performance
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for a thorough diagnosis.
Check with the vehicle manufacturer for powertrain warranty coverage.
This code has been associated with CVT (Continuously Variable Transmission) issues in certain vehicle models.
High – Continuing to drive with this issue can lead to severe transmission damage.
Driving with a faulty transmission can be dangerous and may lead to accidents.
• Vehicle must be at operating temperature.
• Test should be performed under normal driving conditions.
The transmission is located between the engine and the drive wheels, typically beneath the vehicle.
Q: Can I drive with a P17F4 code?
A: It's not recommended to drive with this code as it can cause further transmission damage.
Q: How do I clear a P17F4 code?
A: The code can be cleared with an OBD-II scanner after repairs, but it will return if the issue is not resolved.
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