SMU-SECT. 6E - ENG. CONT REV. DIAG FOR DTC P0141. Buick Park Avenue 1997

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E - ENGINE CONTROLS REVISED DIAGNOSTIC FOR DTC P0141 HO2S HEATER CIRCUIT

MODELS: 1997 BUICK PARK AVENUE WITH 3.8L ENGINE (VINS 1, K - RPOS L36, L67)

THIS BULLETIN IS BEING ISSUED TO INFORM TECHNICIANS OF A REVISION TO DTC P0141 HO2S HEATER CIRCUIT. THE REVISION INCLUDES "CONDITIONS FOR RUNNING THE DTC" AND "CONDITIONS FOR SETTING THE DTC" WHICH WERE PREVIOUSLY OMITTED FROM THE ORIGINAL DIAGNOSTIC.

FIGURES: 00 ATTACHMENTS: 03

Object Number: 169909 Size: FS

Object Number: 169910 Size: FS

Object Number: 169911 Size: FS

Object Number: 169912 Size: FS

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.