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programming key fob

programming key fob

Postby hoot405 [OP] » Oct 17 2020, 11:38pm

can't get in programming mode. 1998 sierra vin shows no keyless entry but there is a lbl0500 module installed. it locks and unlocks doors automatically when i turn key on or off. tried jumping pin 4 to 8 and cycling key on off twice while holding unlock button neither work ?
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programming twice holding unlock automatically entry neither shows locks doors installed work sierra while turn button mode tried module

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