Radio - Clock Gains More Than One Minute Per Month

File In Section: 9 - Accessories

Bulletin No.: 84-96-02A

Date: October, 1998

Subject:
Radio Clock Gains Time in Excess of One Minute a Month (Calibrate Clock Using Tech 2)

Models:
1998 Buick Century, LeSabre, Park Avenue, Regal, Riviera

This bulletin is being revised to correct the labor operation time. Please discard Corporate Bulletin Number 84-96-02 (Section 9 - Accessories).

Condition

Some customers may comment the radio clock gains an excessive amount of time.

Cause

Early production radios were manufactured with the wrong calibration for the clock.

Correction

Calibrate the clock with the Tech 2. If condition persists after recalibration, send radio to authorized Service Center.

Important:
If vehicle is equipped with the Onstar, you must first disconnect the VIU before performing the following procedure. Failure to disconnect the VIU will result in wrong calibration of the radio.

Confirm the Tech 2 is updated with disk # 15, 1998 or later. Using the Tech 2 tool, choose the following:

1. Diagnostics

2. MY

3. Passenger Car

4. Body

5. Body Style (C,H,G,W)

6. Buick

7. Entertainment & Comfort Bus

8. Special Functions

9. Radio Time Of Day Fix

At this point, the Tech 2 will automatically calibrate the clock.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation Labor Time

RO747 0.2 hr