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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (2 Of 2) >> Transmission (TCM) >> P17F1 CVT Judder (C/V Inspection) >> DTC Description

DTC Description

NOTE: SYMBOL The customer reports CVT judder (shake, shudder, single or multiple bumps or vibration) hesitation on acceleration, lack of power or RPM flare. If DTC P17F1 is detected on his/her vehicle, this diagnosis is required. However, if DTC P17F1 is detected on the vehicle without the above phenomena, this diagnosis is not required.

DTC DETECTION LOGIC 

DTC CONSULT screen terms(Trouble diagnosis content) DTC detection condition
P17F1 CVT JUDDER (C/V INSPECTION)[CVT judder (Control Valve Inspection)] Diagnosis condition -
Signal -
Threshold CVT hydraulic pressure variation detected.
Diagnosis delay time -

POSSIBLE CAUSE 

Control valve assembly

FAIL-SAFE 

Not changed from normal driving