2007 chevy suburban-remote will not unlock doors. key sets off alarm. key turns ignition,but sets off alarm.engine wont crank

Asked by Mar 05, 2012 at 01:06 PM about the 2007 Chevrolet Suburban LS 1500

Question type: Maintenance & Repair

2007 chevy suburban-remote does not trigger door lock/unlock.(battery in remote is good)
manually unlocking doors or hood sets off alarm.
key turns ignition, but engine doesnt crank,sets off alarm.????????????????

5 Answers

835

your ccm cassis control module is malfunctioning. Pull the battery out of the suburban and take it to your favorite autoparts store for testing and/or charging. Low electrical system voltage can cause all sorts of strange issues with the computer. if this does not help you are either going to have to call a qualified locksmith with the proper key programing tools or have the truck towed to the dealer to have the system reprogramed. If this doesn't help you will probably need the computer replaced. If charging or replacing the 'bubrs battery doesn't help I would bite the bullet and have it towed to the dealer.

1 of 1 people found this helpful.

I am having the same issue. Battery is charging at local auto parts store and then they are testing it. It's a 2007 Suburban. Did anyone ever find out what the issue was and what fixed it?

95

My suburban 07 has similar issue. All door are locked with master switch (Driver side) but two rear doors do not unlock Is there any optional setting

1 of 1 people found this helpful.
975

main bus fuse has malfuction between 3-5 terminals. so you need to replace main bus fuse for the remore unit

1 of 1 people found this helpful.
95

Thanks. Can you tell the location of this main bus fuse.

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