PIT5771A

Service Bulletin Details

Public Details for: PIT5771A

This preliminary information discusses the possibility of a vibration on hard acceleration and a need for diagnostic information.


- 2020 -

Models from 2020
2020 CHEVROLET EQUINOX
2020 GMC TERRAIN 
Bulletin No.: PIT5771A
Published date: 12/10/2020
Preliminary Information
PIT5771A Wobble Vibration On Hard Acceleration
Models
Brand:
Model:
Model Years:
VIN:
from
Engine:
to
Transmissions:
Chevrolet
Equinox
2020
All
All
LYX
All
GMC
Terrain
2020
All
All
LYX
All
Involved Region or Country:
Additional RPO/s:
Condition:
Cause:
North America
LYX, SAL or SPM
Wobble / Vibration the customer will typically state this occurs on hard
acceleration, 30 to 70 MPH. (WOT)
Possible drive line vibration, information needed.
IMPORTANT: This PI is to address the above scenario ONLY.
If able to duplicate the concern, record the event using the Pico Scope with the CH-51450TA246 Triple Axis Sensor. If the Pico reading at the above mentioned speeds is T1 lateral
above 40 mg or above 30 mg with 10 mg of T3 lateral, return the vehicle to the customer
advising them there will be a bulletin released and a field fix for this concern early in the
first quarter of 2021. If this is NOT the disturbance noted in the file review perform normal
NVH diagnostics.
Version History
Version
Modified
2
09/08/2020 - Created on.
12/10/2020- Added test and resolution information update.
© 2021 General Motors. All Rights Reserved.

© dot.report 2024

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.