SMU - SECTION 6E - DRIVEABILITY & EMISSIONS. Cadillac DeVille 1996

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E-DRIVEABILITY AND EMISSIONS- REVISED SERVICE INFORMATION FOR DTCS PO102, PO401, P1323, P1441 AND P1641

MODELS: 1996 CADILLAC DEVILLE, ELDORADO, SEVILLE 1996-97 OLDSMOBILE AURORA WITH 4.0L AND 4.6L ENG.(VINS C, Y, 9 - RPOS L47, LD8, L37)

THIS BULLETIN IS BEING ISSUED TO REVISE SERVICE INFORMATION FOR THE FOLLOWING DTCS:

DTC PO102 STEP 6 OF THE DIAGNOSTIC TABLE, ADD A SHORT TO VOLTAGE AS A POSSIBLE CIRCUIT FAILURE. DTC PO401 STEPS 4 AND 5 OF THE DIAGNOSTIC TABLE, THE VACUUM VALUES SPECIFIED ARE MEASURED IN INCHES OF MERCURY (IN.HG.). DTC P1323 STEP 6 OF THE DIAGNOSTIC TABLE, CHANGE THE VALUE SPECIFIED TO 200 HZ. DTC P1441 STEP 10 OF THE DIAGNOSTIC TABLE, CHANGE "THE SAME OR LESS THAN" TO "THE SAME OR MORE THAN". DTC P1641 STEP 4 OF THE DIAGNOSTIC TABLE, CHANGE THE QUESTION FROM "OK" TO "OVERCURRENT".

FIGURES: 00 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.