PIT4911S Service Bulletin/Repair Instructions

File in Section:
Service Bulletin
Bulletin No.:

Date:
PIT4911S

September, 2012
PRELIMINARY INFORMATION

Subject:
TAC Part Restriction - Navigation Radio Radio And Integrated Center Stack (ICS)

Components - U.S. Dealers
Models:
2011 - 2013 Buick Enclave, LaCrosse, Regal

2011 Buick Lucerne

2012 - 2013 Buick Verano

2013 Cadillac ATS, XTS

2011 - 2013 Cadillac CTS, SRX

2011 - 2013 Cadillac Escalade, Escalade ESV, Escalade EXT

2011 Cadillac STS, DTS

2011 - 2013 Chevrolet Avalanche, Camaro, Corvette, Cruze, Equinox, Malibu, Silverado,

Suburban, Tahoe, Traverse

2013 Chevrolet Sonic, Spark

2011 - 2013 GMC Acadia, Sierra, Terrain, Yukon, Yukon XL, Yukon Denali, Yukon

Denali XL
This PI was superseded to update part number information. Please discard PIT4911R.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:

US Dealers - Effective January 1st, 2012 all of the following P/Ns below will be placed on restriction through the

General Motors Technical Assistance Center. Please review recommendations below prior to contacting TAC at

(877) 446-8227 (US).

Important: When calling TAC, be certain to select the Navigation Radio prompt for ANY part number listed below,

regardless if it is a Nav or Non-Nav part.

Canada Dealers - This PI is for US DEALERS ONLY, please contact York Electronics directly at (888) 650-9675

(Oshawa) or (800) 361-2894 (Calgary).
Recommendation/Instructions:

For all Infotainment calls please provide the part number (PN) of the component that is currently in the vehicle.

Depending on the concern TAC may require additional information such as Map disc/card PN's, software/calibration

numbers, and testing results of previous diagnostics.

P/N
Model(s)
MY
Description
Supplier In Box
Part

Source
20939031
Acadia
11
UUM
Navigation Delphi
ESC
22739335
Acadia
11
UUM
Navigation Delphi
ESC
22822470
Acadia
12
UUM
Navigation Delphi
ESC
20939030
Acadia
11
U4H
Navigation Delphi
ESC
22739334
Acadia
11
U4H
Navigation Delphi
ESC
22822469

22884234

20856087
Acadia

Acadia

Corvette
12

12

11 & 12
U4H
Navigation Delphi
ESC
U4H
Navigation Delphi
ESC
U3U
Navigation Denso
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
UAV
Navigation Alpine
ESC
U2S
Navigation Alpine
ESC
U2S
Navigation Alpine
ESC
U2S
Navigation Alpine
ESC
U2S
Navigation Alpine
ESC
U2S
Navigation Alpine
ESC
U2R (NON XM)
Navigation Delphi
ESC
U2R, U2K
Navigation Delphi
ESC
U2T
Navigation Delphi
ESC
U3R
Navigation Denso
ESC
UUM
Navigation Delphi
ESC
UUM
Navigation Delphi
ESC
UUM
Navigation Delphi
ESC
GMQ
Navigation Delphi
ESC
GMQ
Navigation Delphi
ESC
GMQ
Navigation Delphi
ESC
GMQ
Navigation Delphi
ESC
GMT 900, GMT 900 Hybrid, UUK
Navigation Denso
ESC
GMT 900, GMT 900 Hybrid, UUK
Navigation Denso
ESC
GMT 900, GMT 900 Hybrid, UUL
Navigation Denso
ESC
20940118

CTS
11
20968704

CTS
11
22758369

CTS
11
22790325

CTS
12
22810972

CTS
12
22854860

CTS
12
22854860

CTS

20905742

20988320

22772599

22810951

22854859

20953628

20953629

20953630

25993432

20939029

22739333

22822468

20955278

20992774

22873182

22832457

20883054

22776895

20883056
CTS

CTS

CTS

CTS

CTS

CTS

CTS

CTS

DTS

Enclave, Traverse

Enclave, Traverse

Enclave, Traverse

Escalade

Escalade

Escalade

Escalade

GMT900

GMT900

GMT900
12

11

11

11

12

12

11 & 12

11 & 12

11 & 12

11

11

11

12

11

12

12

12

11

11

11
22776896

22815130

22856825

22870863

20888136

22753355

20945803

22753356

20939032

20939033

20844561

20939028

22739332

22822467
GMT900

GMT900

GMT900

GMT900

Lucerne

Lucerne

Lucerne

Lucerne

Outlook

Outlook

STS

Enclave, Traverse

Enclave, Traverse

Enclave, Traverse
22884233
Enclave, Traverse
20913838
Cruze, Equinox, Orlando,

Regal, Terrain, Verano
22840085
Cruze, Equinox, Orlando,

Regal, Terrain, Verano
22879332
Cruze, Equinox, Orlando,

Regal, Terrain, Verano
22886728
Malibu
20968490
Equinox, Lacrosse, SRX,

Terrain, Regal, Cruze
20928305
Equinox, Lacrosse, SRX,

Terrain, Regal, Cruze
20972237
Equinox, Lacrosse, SRX,

Terrain, Regal, Cruze
22744758
Equinox, Lacrosse, SRX,

Terrain, Regal, Cruze
22755625
Equinox, Lacrosse, SRX,

Terrain
22812453
Equinox, Lacrosse, SRX,

Terrain
22826751
Equinox, Lacrosse, SRX,

Terrain
22854093
Equinox, Lacrosse, SRX,

Terrain
22872888

22866297
Volt

Volt
11

12

12

12

12 3 4 5

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