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2015 SUBARU IMPREZA WRX — VEHICLE SPEED CONTROL

1 injured · 1511355 · 2018-10-30

Vehicle

Make
SUBARU
Model
IMPREZA WRX
Year
2015
Manufacturer
Subaru of America, Inc.
Component
VEHICLE SPEED CONTROL
Miles at failure
80,000
Speed
42 mph

Severity

Deaths
0
Injured
1
Fire
No
Crash
No
Police report
No
Medical attention
No
Vehicle towed
No

Narrative

A CVT DEFECT IS CAUSING ERRATIC, UNCONTROLLABLE, AND VIOLENT CHANGES IN ENGINE RPM, INCLUDING BUT NOT LIMITED TO: RAPID VIOLENT OSCILLATIONS IN RPM, NON-SHIFTING, SUSTAINED HOLDING OF RPM NEAR ENGINE RED-LINE, ABRUPT DECREASES OF RPM AND SUBSEQUENT LOSS OF POWER DESPITE THE ACCELERATOR IS STILL BEING APPLIED. THESE DEFECTS HAVE OCCURRED UNDER AN ARRAY OF DRIVING CONDITIONS, SPEEDS, THROTTLE POSITIONS, ROAD GRADIENTS, AMBIENT TEMPERATURES, ALTITUDES, AND ENGINE TEMPERATURES. SUBARU WAS PROVIDED WITH VIDEOS OF THE DASHBOARD GAUGES TAKEN DURING MALFUNCTIONS, AND THE VEHICLE WAS RETURNED TO THEM TO HAVE THE ISSUES ASSESSED AT LEAST 3 TIMES. SUBARU COMPLETED TCM "RE-FLASHING", ECM UPDATES, AND SOFTWARE UPDATES TO ADDRESS THE PROBLEMS WITH NO EFFECT. CVT MALFUNCTIONS HAVE GRADUALLY INCREASED IN SEVERITY AND FREQUENCY OVER THE PAST 20,000 MILES. THE REPEATED, SUDDEN, AND VIOLENT MALFUNCTIONS OF THE CVT HAVE PUT THE OCCUPANTS AT RISK OF COLLISION ON MULTIPLE OCCASIONS AND IN ONE INSTANCE AN ABRUPT DOWNSHIFT CAUSED A MINOR NECK INJURY TO A DISABLED PASSENGER.

Source

Authoritative
NHTSA ODI Flat-File Downloads
ODI Number
11144179
Machine
JSON-LD · Markdown