NHTSA ID Number: 10161940
Manufacturer Communication Number: 18NA221
Summary
This technical bulletin provides a procedure to program the radio to correct a condition of Circular Image Distortion in circle icons and Buick
Tri-Shield Start-up Screen.
3 Affected Products
Vehicles
SEOCONTENT-START
Bulletin No.: 18-NA-221
Date: May, 2019
Service Bulletin
TECHNICAL
Subject: Circular Image Distortion in Circle Icons and Buick Tri-Shield Start-Up Screen
Attention: This Bulletin replaces PIC6335B. Please discard PIC6335B.
| Brand: | Model: | Model Year: | Build Date: | Engine: | Transmission: | |||
| from | to | from | to | |||||
| Buick |
Enclave | 2018 | 2018 | April 2, 2018 | June 4, 2018 | |||
| LaCrosse | 2018 | 2018 | April 10, 2018 | End of Production | ||||
| LaCrosse | 2019 | 2019 | June 8, 2018 | September 24, 2018 | ||||
| Involved Region or Country | North America and N.A. Export Regions |
| Additional Options (RPOs) | Equipped with Infotainment System RPOs IO5, IO6 |
| Condition | Some customers may comment on image distortion on any of the screens as shown in the examples below:
5091330 • Circular image distortion, Including the Buick 5096158 • Video image distortion Some customers may also comment that the concern was not apparent until being operated in high ambient temperatures. |
| Cause | This condition may be caused by a software anomaly in the internal radio control (also known as ICS – Integrated Center Stack). |
| Correction | If this concern is experienced, compare the radio control assembly (ICS) calibration/ software part numbers to those in TIS2Web to determine if any updated radio control assembly (ICS) programming updates are available.
Important: If no updates are present, this bulletin does not apply. |
Service Procedure
Note: Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install a GM Authorized Programming Support Tool to maintain system voltage. Refer to www.gmdesolutions.com for further information. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger.
If radio control assembly (ICS) updates are available, program the radio control assembly by following the Radio Control Programming and Setup procedure in SI, making sure to complete all required programming events outlined.
Parts Information
No parts are required for this repair.
Warranty Information
For vehicles repaired under warranty, use:
| Labor Operation | Description | Labor Time | |
| 2810325 | Radio Control Reprogramming with SPS | Use Published Labor Operation Time | |
| Version | 2 |
| Modified | Released July 09, 2018
May 20, 2019 – Added the 2018-2019 Buick |
Additional Keywords: camera
SEOCONTENT-END
Bulletin No.: 18-NA-221
Date: May, 2019
To View or Download this Document Click Here
Bulletin No.: PIC6335B
Published date: 10/30/2018
To View or Download this Document Click Here
Reprogramming
GM Diagnostic/Programming (TIS2Web)
Approved J2534 Device with TIS2WEB can reprogram 1996 and later All GM Modules.
To obtain the latest electronic controller calibration information for your vehicle, go to https://tis2web.service.gm.com/tis2web and enter the vehicle's 17 character Vehicle Identification Number (VIN) and select 'Get CAL ID’.
You can then compare the latest part number with the actual number installed on the vehicle to determine if a reprogram is needed.
The Service Programming System (SPS) application is part of the TIS2Web system. To program an ECU, the SPS application must communicate with the vehicle control modules using the proper J2534 programming interface tool.
The Tech 2 supports model years 1996 and beyond. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles.
Servicing the next generation Global A vehicles will require the diagnostic software, GDS2, Global Diagnostic System 2 running on a local PC device while the MDI is connected to the vehicle. The GM MDI is the Global Diagnostic tool for future vehicles starting with Global A vehicles.
The GM MDI was introduced in the fall of 2007 for Pass-Thru programming and offers faster programming speed. It can be used to perform Pass-Thru programming on all vehicles built since 1996 and into the future. Click here to view a list of GDS supported vehicles.
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