GM Service Manual Online
For 1990-2009 cars only

STATOR TEMP READS HIGH ON SCAN TOOL

THIS IS A MONTHLY SERVICE NEWSLETTER ARTICLE THIS INFORMATION IS NOT INTENDED TO BE A PUBLISHED BULLETIN

CONDITION: TRANSMISSION DATA LIST WITH TECH 2 SHOWS STATOR TEMP AS HIGH. THIS IS INTERPRETED AS HOT CONDITION OR GROUNDED CKT, AS DEFINED IN THE SERVICE MANUAL. STATOR TEMP DATA WILL REMAIN HIGH, WHEN SENSOR WIRE IS DISCONNECTED FROM PCM.

CAUSE: TECH 2 TRANSMISSION DATA LIST READS THE A/T STATOR TEMP DATA AS CIRCUIT HIGH OR LOW, NOT TEMP HIGH OR LOW. ENGINE DATA LIST READS A/T STATOR TEMP AS TEMPERATURE NORMAL OR HIGH.

THIS IS CAUSING CONFUSION TO TECHS WHEN DIAGNOSING A/T SHIFT CONCERNS.

CORRECTION: WHEN DIAGNOSING A/T SHIFT CONCERNS, READ THE STATOR TEMP DATA AS CKT HIGH (OPEN) OR CKT LOW (GROUNDED) WHEN MONITORING WITH TECH 2 IN TRANSMISSION DATA LIST.

FIGURES: 0

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.

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