ERRATIC/INACCURATE DISPLAYS FOR PRNDL, CLOCK & FUEL DATA. Cadillac Concours 1996

For 1990-2009 cars

# ERRATIC/INACCURATE DISPLAYS FOR PRNDL, CLOCK & FUEL DATA

#### SUBJECT: ERRATIC/INACCURATE DISPLAYS FOR PRNDL, CLOCK AND FUEL DATA AND/OR ERRONEOUS FAST AUDIBLE WARNING CHIMES (REPLACE RADIO)

#### MODELS: 1996 CADILLAC DEVILLE, ELDORADO, SEVILLE WITH BASE RADIO, RPO U1L/UW6

#### CONDITION:

SOME OF THE ABOVE LISTED VEHICLES EQUIPPED WITH A BASE RADIO (RPO U1L/UW6) MAY INTERMITTENTLY EXHIBIT A BOXED PRNDL DISPLAY (DIGITAL IPC), AN ERRATIC CLOCK DISPLAY, AND/OR AN INACCURATE READING FOR AVERAGE FUEL ECONOMY AND FUEL USED. THE IPC MAY DISPLAY AN AVERAGE FUEL ECONOMY AS LOW AS 2 MPG AND FUEL USED AS HIGH AS 99.9 GALLONS. VEHICLE SYMPTOMS MAY ALSO INCLUDE AN UNUSUALLY FAST AUDIBLE WARNING CHIME THAT CANNOT BE EXPLAINED BY AN EXISTING CONDITION (I.E.; HEADLAMPS ON OR KEY IN IGNITION).

#### CAUSE:

THIS CONDITION MAY BE CAUSED BY A MALFUNCTIONING BASE RADIO INTERRUPTING THE CLASS II COMMUNICATION LINES.

#### CORRECTION:

TO CORRECT THIS CONDITION, EXCHANGE THE RADIO. THE DEFECTIVE RADIOS HAVE A BUILD DATE CODE OF 100 (SEE FIGURE 1). VERIFY THAT IPC FUEL DATA DISPLAYS OPERATE CORRECTLY AFTER EXCHANGE.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER DESCRIPTION LABOR TIME =============== =========== ==========

R0760 RECEIVER - RADIO USE PUBLISHED REMOVE, REPAIR AND LABOR TIME. REPLACE RADIO

FIGURES: 01 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1996 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.