Question about 1999 GMC Suburban
1996 GMC SUBURBAN. POWER DOOR LOCKS ON ALL DOORS DON'T WORK PUSHING THE LOCK/UNLOCK BUTTONS ON BOTH FRONT DOORS BUT WORK FINE WHEN USING THE KEY FOB.
CAN'T FIND ANY FUSE THAT SAYS POWER DOOR LOCKS.
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Posted on Jan 02, 2017
SOURCE: 1996 GMC SUBURBAN
This sounds like a BCM (body control module) problem, the module controls these functions, the dealer can hook up a tester and very quickly find out what the problem is.
FixYa.com claims they have factory repair manuals, they have nothing of the sort, this is not to say some experts may have manuals, we do, but we work from home and in most cases have a small library. Experts are not employed by FixYa.com, we help free of charge as much as we can with the general automotive knowledge we have learned while working as auto technicians, specific test values, repair procedures and illustrations are unique to each car line, these are not in most cases available to us. Thanks for using FixYa!
Posted on Nov 03, 2008
Check battery voltage. if above 13.7 volts move to rear lock actuator and measure battery voltage at actuator if above 13.6
replace actuator if below specs. check grounds and alternator out put as follows, alternator output 13.7 to 14.25 volts. key off battery volts should be 12.90 + - 3/10 of a volt and about the same voltage at the actuator. let me know. kindest regards Bill
Posted on Jan 30, 2009
SOURCE: 2004 tahoe
make sure than you have not split any fluids on the passenger front door most of the times is where the module to control the windows and doors is located, try by unpluging the batterie and the after a minute plug it back and see what happend but if any of your ft doors have been split with liquid or rain has gone inside then most likelly the module got moisture and not working
Posted on May 31, 2008
Your book should give you program options for the door locks If your fob wont work either you got a relay for the door lock bad it is located in the fuse panel push the door lock button and find the one that is clicking
Posted on Apr 12, 2009
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