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2004 silverado crew cab rear power locks don't lock


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avgjoe
New User

Dec 15, 2014, 8:57 PM

Post #1 of 3 (994 views)
2004 silverado crew cab rear power locks don't lock Sign In

Recently purchased 2004 Chevy Silverado crew cab. Has almost 100K miles with 5.3 v-8. No console. Both rear doors will not lock with remote, drivers door control or when transmission is put in drive. Both will unlock normally. Front doors lock and unlock normally. Have replaced passenger rear actuator with no change. Suspect a relay or fuse specifically for rear doors. Would appreciate any advice.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 16, 2014, 3:11 AM

Post #2 of 3 (980 views)
Re: 2004 silverado crew cab rear power locks don't lock Sign In

It's not quite that simple.

Your transmitter communicates with the passenger door module which in turn communicates with the Body Control Module. You are going to need a professional level scan tool to access these modules and see what is or isn't being triggered.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



avgjoe
New User

Dec 16, 2014, 4:47 PM

Post #3 of 3 (958 views)
Re: 2004 silverado crew cab rear power locks don't lock Sign In

Thanks for the advice and steering me in the right direction.






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