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BOBBYSS, Master Technician
Category: Chevy
Satisfied Customers: 17475
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Rear doors on my 2007.5 Silverado crew cab won't always

Customer Question

Rear doors on my 2007.5 Silverado crew cab won't always unlock. I've heard this could possibly be a relay issue?
JA: How many miles are on the car? Has the car been starting normally?
Customer: 179k. Runs perfect
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: Yes. Fixing myself. Haven't tried anything yet. Thinking about a sledgehammer though...
JA: Anything else you want the mechanic to know before I connect you?
Customer: The issue is intermittent. Works fine sometimes but most of the time they don't unlock. Used to be left rear... Now it's both
Submitted: 2 months ago.
Category: Chevy
Expert:  BOBBYSS replied 2 months ago.

Hello, my name is***** you tell me if this issue occurs with both the remote and the door switch?

Customer: replied 2 months ago.
Expert:  BOBBYSS replied 2 months ago.

Thank you. One more question. Is this a 1500 or 2500?

Customer: replied 2 months ago.
Customer: replied 2 months ago.
The door lock relays aren't in the under hood fuse box or the dash fuse box on the driver's side
Expert:  BOBBYSS replied 2 months ago.

These are located in the fuse box under the dash. I would switch them and see if it changes. If not then the problem is usually in the body control module. This module controls the function of the locks. I have seen a lot of issues with it and usually having it reprogrammed by the dealer will take care of it.