Bulletin Information

Bulletin Title: #21-NA-211 - Unable to Shift Transmission, Possible MIL Illuminated or Service Transmission Message with Various DTCs Set - (Sep 17, 2021)
Bulletin Type: Technical
Applies To: Automatic Transmission / Vehicle DTC Information / Programming and Setup / Displays and Gauges

#21-NA-211 - Unable to Shift Transmission, Possible MIL Illuminated or Service Transmission Message with Various DTCs Set - (Sep 17, 2021)

Subject:
Unable to Shift Transmission, Possible MIL Illuminated or Service Transmission Message with Various DTCs Set

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Corvette

2020

2021

8-Speed Automatic (M1L)

Involved R...

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Document Tags

Document Title: #21-NA-211 - Unable to Shift Transmission, Possible MIL Illuminated or Service Transmission Message with Various DTCs Set - (Sep 17, 2021)

transmission

service

dtcs

vehicle

keyed

loss

communications

control

mode

software

module

sure

connected

programming

ensure

voltage

system

connect

screen

power

important

needs

center

window

match

plate

reprogramming

master

select

correct

calibrations

read

click

size

shown

event

warranty

information

transaction

claim

code

card

labor

time

field

transmission control

control module

plate vehicle

master module

software calibrations

size click

programming event

module programming

warranty transaction

warranty claim

code field

loss communications fault

transmission control module

reprogram transmission control

interruption programming programming

programming programming failure

programming failure control

failure control module

control module damage

module damage occur

service programming system

needs reprogrammed correct

software calibrations match

calibrations match vehicle

click size important

click size click

size click size

important avoid warranty

avoid warranty transaction

warranty transaction rejections

warranty claim code

claim code field

code field transaction