Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERSERVICE AND REPAIRPROGRAMMING PROCEDURE
1998 Chevrolet Astro Van 2WD V6-4.3L VIN W
Programming Procedure
1998 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Programming Procedure
1. Ground pin 4 to pin 8 of the data link connector (DLC). The receiver will respond as follows:
^ The doors will lock and unlock within 2 seconds.
^ The lift gate window release (E54) will be activated within 2 seconds.
2. Simultaneously press and hold the LOCK and UNLOCK buttons on one of the transmitters until the locks cycle. This will take approximately 10 seconds. The receiver will respond as follows:
^ The doors will lock and unlock within 2 seconds.
^ The lift gate window release (E54) will be activated within 2 seconds.
^ Do not wait more then 60 seconds between transmitters or the receiver will exit the programming mode.
3. Repeat step 2 for each transmitter, four transmitter can be programed to this vehicle.
4. Remove the jumper wire from the DLC.
5. Verify that the RKE is functioning correctly:
^ Lock and unlock the doors.
^ Activate the liftgate window (E54).
^ The doors will lock and unlock within 2 seconds.
^ The lift gate window release (E54) will be activated within 2 seconds.
2. Simultaneously press and hold the LOCK and UNLOCK buttons on one of the transmitters until the locks cycle. This will take approximately 10 seconds. The receiver will respond as follows:
^ The doors will lock and unlock within 2 seconds.
^ The lift gate window release (E54) will be activated within 2 seconds.
^ Do not wait more then 60 seconds between transmitters or the receiver will exit the programming mode.
3. Repeat step 2 for each transmitter, four transmitter can be programed to this vehicle.
4. Remove the jumper wire from the DLC.
5. Verify that the RKE is functioning correctly:
^ Lock and unlock the doors.
^ Activate the liftgate window (E54).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.