PIC6405

Service Bulletin Details

Public Details for: PIC6405

This preliminary information communicates that the oat sensor may not read correctly upon startup after the vehicle has been parked for two hours or more. Engineering is aware of the concernand is working on a resolution.


- 2020 -

Models from 2020
2020 CADILLAC CT4
2020 CADILLAC CT5 
Bulletin No.: PIC6405
Published date: 01/14/2022
Preliminary Information
PIC6405 Outside Air (Ambient) Temperature Display Reads
Signi cantly Higher Than Actual Temperature
Proactive
Models
Brand:
Model:
Model Years:
VIN:
from
to
Engine:
Transmissions:
Cadillac
CT5
2020
ALL
ALL
ALL
ALL
Cadillac
CT4
2020
ALL
ALL
ALL
ALL
Involved Region or Country North America
Condition
Cause
After a vehicle has been parked for two hours or more, upon starting the vehicle it
may be found that the Outside Air Temperature (OAT) sensor is reading higher than
actual temperature. (example - OAT will read 58 degrees, actual temp may be 32
degrees)
OAT sensor location
Correction:
Do not replace any parts, engineering is aware of the concern and is working on a resolution.
The Temperature display will update correctly once the vehicle is driven.
Please communicate to the customer this will not impact the designed performance or reliability of the
vehicle. Please share this information with the customer, including a copy of this message.
Please set a TAC case for any vehicle with this concern to allow for possible future communications.
This PI will be converted into a bulletin once a resolution is available.
Version History
Version
1
Modi ed
02/10/2020 - Created on.
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