NHTSA ID Number: 10160982
Manufacturer Communication Number: PIC6354A
Summary
This Preliminary information communicates that during an autostop event the customer may notice a pump noise. The ECM turns on the auxiliary coolant pump to meet the heater performance so the noise they hear is normal and no repairs are needed and that as more information is gathered this may be converted into a bulletin.
2 Affected Products
Vehicle
| BUICK | REGAL | 2018-2019 |
SEOCONTENT-START
Bulletin No.: PIC6354A Published date: 05/6/2019
Preliminary Information
PIC6354A Auxiliary Coolant Pump Noise Heard During an Autostop
Models
Brand: Model: Model Years:
VIN:
from to
Engine: Transmissions:
Buick
Regal 2018 – 2019 All All
All All
Involved Region or
Country North America
A customer may notice a pump type noise heard when the vehicle is
Condition
in an autostop event.
Cause The ECM can command the auxiliary coolant pump during an
autostop to aid in maintaining the heater (HVAC) performance.
Correction:
Do not replace any parts, the pump is working as designed.
Note: This PI may be converted into a bulletin when new information is available.
Version History
Version 2
Modified 03/12/2019 – Created on.
05/05/2019 – Updated Model Years.
SEOCONTENT-END
Bulletin No.: PIC6354A
Published date: 05/6/2019
To View or Download this Document Click Here
Bulletin No.: PIC6354
Published date: 03/12/2019
To View or Download this Document Click Here
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