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2020 - 2021 Corvette: Service Bulletin: #PIC6407C: Amplifier Part Restriction - (Sep 21, 2020)

#PIC6407C: Amplifier Part Restriction - (Sep 21, 2020)

Subject:  Amplifier Part Restriction

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Cadillac

CT4

2020

All

All

All

All

Cadillac

CT5

2020

All

All

All

All

Chevrolet

Corvette

2020 - 2021

All

All

All

All

 

Involved Region or Country

North America

Condition

As part of our ongoing continuous improvement we have placed the Amplifier used in the 2020 Cadillac CT4, CT5 and Chevrolet Corvette on restriction. If you believe a new module is needed, contact the PQC.  Please have the part number available prior to contacting PQC.

Cause

Root Cause Analysis

Correction

Please contact the (PQC) by opening a new case via Dealer Case Management (DCM).  From the DCM home page, click on "New PQC Case" found on the Technical Assistance tab.

Then, in Global Connect click on the Support/Chat tab, TAC-PQC Tab, PQC - Parts Restrictions Templates to Download the appropriate PQC - Parts Restrictions Template and save a copy to your computer.  You can attach a copy of the template to your PQC Case.

Note: (Do Not clear any DTCs prior to contacting the PQC)

Parts Information

Part Number

Description

Qty

84798070 or 84978871

Amplifier CT4, and CT5 (UQG - 8 Channel) 

1

84825170 or 84941695 (2020) or 84930047 (2021)

Amplifier Corvette (UQH - 16 Channel)

1

84825171 or 84941694 (2020) or 84930046 (2021)

Amplifier Corvette (UQS - 10 Channel)

1

84833560 or 84886772

Amplifier CT5 (UQP - 12 Channel)

1

84886773

Amplifier CT4 (UQS - 10 Channel) 

1

Warranty Information

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor Operation

Description

Labor Time

3421200

Radio Speaker Amplifier Replacement

Use Published Labor Time


Version

4

Modified

03/16/2020 – Created on.

04/21/2020 - Updated Part Numbers.

05/29/2020 - Updated Part Numbers.

09/21/2020 - Updated Part Numbers.

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