For 1990-2009 cars

# INFO - ESSENTIAL TOOL J-43241 REMOTE KEYLESS ENTRY AND

#### SUBJECT: INFORMATION - ESSENTIAL TOOL J-43241 REMOTE KEYLESS ENTRY AND PASSIVE KEYLESS ENTRY TRANSMITTER TESTER

#### MODELS: 1990-99 PASSENGER CARS AND TRUCKS WITH REMOTE KEYLESS ENTRY OR PASSIVE KEYLESS ENTRY SYSTEMS

A NEW ESSENTIAL TOOL, J-43241 REMOTE KEYLESS ENTRY TRANSMITTER TESTER, HAS BEEN SENT TO ALL GM DEALERS. THIS TESTER CAN BE USED ON ALL RKE AND PKE SYSTEMS, ON PAST AS WELL AS CURRENT MODELS.

#### IMPORTANT:

BEFORE USING THE TESTER AND THE ATTACHED DIAGNOSTIC CHART, THE FOLLOWING TWO STEPS MUST BE PERFORMED.

1. VERIFY THAT THE KEYLESS ENTRY TRANSMITTER IS THE CORRECT MODEL FOR THE VEHICLE REMOTE SYSTEM. AN INCORRECT MODEL TRANSMITTER MAY PASS THIS TEST, BUT MAY NOT ACTIVATE THE VEHICLE REMOTE SYSTEM. THE CORRECT TRANSMITTER CAN USUALLY BE IDENTIFIED BY PART NUMBER.

2. ENSURE THAT THE TRANSMITTER IS SYNCHRONIZED WITH THE VEHICLE (IF APPLICABLE). REFER TO TRANSMITTER SYNCHRONIZATION IN THE APPROPRIATE SERVICE MANUAL.

FIGURES: 00 ATTACHMENTS: 01

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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