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NHTSA safety investigation

NHTSA Investigation EA85043

Engineering Analysis · Chrysler (FCA US, LLC) · VEHICLE SPEED CONTROL:LINKAGES

ClosedEngineering Analysis

An investigation is not a finding that a defect exists.

NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.

Model years namedModel years in our database that NHTSA associated with this inquiry. Being named in an investigation says nothing about whether an individual vehicle has any problem.
4
2 models
Opened
Aug 21, 1985
Engineering Analysis
Closed
Jul 21, 1987
No associated recall recorded

What NHTSA is examining

The agency's own description of the inquiry, quoted as published

UNWANTED VEHICLE ACCEL

SUMMARY: MANUFACTURER CLAIMS MOST REPORTS ARE A SHIFT-FLARE CONDITION OFHIGHER ENGINE SPEEDS DURING THE NO-LOAD SHIFTING TIME INTERVAL.THIS CLAIMDOES NOT APPEAR TO BE SUBSTANTIATED BY THE REPORTS.REPORTS DO NOT FOLLOWTHE TYPICAL SCENARIO OF SUDDEN ACCELERATION OCCURING WHEN THE VEHICLE ISPLACED INTO A DRIVING MODE.MANY REPORTS OCCUR WHEN SHIFTING INTO ANY GEARAT ANY SPEED.ALSO SOME REPORTS OF SEVERE ENGINE DAMAGE.ANALYSIS: ALTHOUGH THERE APPEARS TO BE A DESIGN FLAW IN THE SPEED CONTROLLOOP, MOST OF THE COMPLAINTS OCCUR AT SPEEDS WHICH ALLOW TRANSMISSION DIS-ENGAGEMENT.IN ADDITION, THIS TENDS TO BE AN INTERMITTENT TYPE OF FAILUREWHICH IS HARD TO TRACE TO A SINGLE SOURCE/CAUSE/COMPONENT, ALTHOUGH THE ISAMOTOR HAS BEEN CITED BY SEVERAL OF THE CONSUMERS AND FIELD REPRESENTATIVES.STATUS: C-MEMO DRAFT FORWARDED TO (H) 6/16/87.===

An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.

Investigation details

Identifiers, dates and outcome as recorded by NHTSA

Action number
EA85043
Investigation type
Engineering Analysis (EA)
Status
Closed
Manufacturer
Chrysler (FCA US, LLC)
Component
VEHICLE SPEED CONTROL:LINKAGES
Opened
Aug 21, 1985
Closed
Jul 21, 1987
Associated recall campaign
None recorded

Vehicles named in this investigation

4 model years across 2 models

Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.