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

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E-DRIVEABILITY AND EMISSIONS- REVISED SERVICE INFORMATION FOR DTCS PO118, PO123, P1576, P1577, P1652 AND P1654

MODELS: 1996 CADILLAC DEVILLE, ELDORADO, SEVILLE WITH 4.6L ENGINE (VINS Y, 9 - RPOS LD8, L37)

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

DTC PO118 STEP 6 OF THE DIAGNOSTIC TABLE, CHANGE "TERMINAL 7" TO "TERMINAL 17". DTC PO123 STEP 12 OF THE DIAGNOSTIC TABLE, CHANGE "TERMINALS 7, 62 AND 68" TO "TERMINALS 12, 63 AND 68". DTC P1576 STEP 6 OF THE DIAGNOSTIC TABLE, CHANGE "TERMINAL B" TO "TERMINAL A". DTC P1577 STEPS 6 AND 8 OF THE DIAGNOSTIC TABLE, CHANGE BOTH QUESTIONS FROM "THE SAME OR MORE THAN" TO "THE SAME OR LESS THAN". DTC P1652 CHANGE THE VOLTAGE SPECIFIED IN THE CIRCUIT DESCRIPTION FROM "12 VOLTS" TO "5 VOLTS" AND IN STEP 5 OF THE DIAGNOSTIC TABLE, CHANGE THE VALUE SPECIFIED TO "4.5 VOLTS". DTC P1654 STEP 2 OF THE DIAGNOSTIC TABLE, EXCHANGE THE YES AND NO ANSWERS.

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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.