EXPERTEC TSB (448301)

Publication date: 1994-05-12
Reference number: 448301

EXPERTEC TSB

TECHNICAL SERVICE BULLETIN

Reference Number(s): 448301, Date of Issue: 05/12/94

INFORMATION ON NEW PROCEDURE - FOR OBTAINING DRACS

Model(s): 1989-94 Chevrolet And Gmc Truck M/L Vans, S/T Trucks

1990-94 Chevrolet And Gmc Truck G Vans, R/V Trucks

1992-94 Chevrolet And Gmc Truck C/K Trucks

1991-94 Oldsmobile Bravada

Bulletin No.: Chevrolet 448301 Oldsmobile 448301 GMC 448301

Date: 05/12/1994

SERVICE INFORMATION

IF A DEALER IS CONTACTED ABOUT OR IS IN NEED OF A SERVICE DRAC (DIGITAL RATIO ADAPTOR/CONTROLLER) FOR ANY OF THE FOLLOWING REASONS:

RADIO INTERFERENCE (EMI)
SPEEDOMETER FLUCTUATION OR FLARING
ERRATIC/SURGING CRUISE CONTROL OPERATION
DIFFERENT TIRE SIZE
DEFECTIVE PART

THE DEALER MUST CONTACT AN AC-DELCO SERVICE CENTER AUTHORIZED TO REPAIR ELECTRONIC INSTRUMENT CLUSTERS FOR A NEW SERVICE DRAC, P/N 16202915.

NOTE: THIS PART IS A SERVICE PART AND HAS TO BE PROGRAMMED FOR THE VEHICLE. IT CANNOT BE USED UNTIL THIS PROCEDURE HAS BEEN DONE BY THE AUTHORIZED SERVICE CENTER.

THE DEALER WILL NEED THE P/N AND THE BROADCAST CODE (THE 3 BOLD LETTERS LOCATED ON THE PRINTED LABEL OF THE OLD DRAC). THE SERVICE CENTER WILL PROGRAM THE DRAC ACCORDING TO THIS INFORMATION.

IF THE CUSTOMER IS CHANGING THE TIRE SIZE, THE SERVICE CENTER WILL NEED THE AXLE RATIO AND TIRE SIZE IN ORDER TO PROGRAM THE DRAC TO THE NEW TIRE SPECIFICATIONS. THE AC-DELCO SERVICE CENTER WILL SEND THE PROGRAMMED DRAC VIA COMMON CARRIER TO THE DEALERSHIP.

FOR FURTHER INFORMATION, CONSULT THE AC-DELCO AUTHORIZED SERVICE CENTER MANUAL WA-2 (SEPTEMBER 1990 OR LATER). AC-DELCO CENTERS ARE SUBJECT TO CHANGE.