Question about 2004 Chevrolet Silverado 1500 Crew Cab

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Driver side door lock will not lock electronically

The electric door lock on the driver's door will not respond to the automatic system. I suspect a bad solinoid or loose connection. My question is how do I get the door panel off to check things out.
the truck is a 2004 Silverado Crew cab 2 WD

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  • lugnut126 Jan 25, 2009

    Thanks for the help. I have ordered a repair manual and with it and your suggestion I should be able to repair or replace.

    Thanks

    Mel

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It is the door lock actuator and its real easy their are a few cover plates on trim remove and take out the srews then take off the interior mirror cover / then take the door panel lift upwards and out the after you get the trim panel off the latch has three bolts on outer take those out and disconnect rods be careful they dont break and just reverse it to put it back together

Posted on Jan 25, 2009

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We have a 2010 town &country and the automatic door lock will not work.


2010 town and country side door fixes.wmv - YouTube

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www.youtube.com/watch?v=3QR6vTD2W2E
Dec 31, 2011 - Uploaded by 1cont Here is a common problem. door lock stops responding to electronic buttons. Diagnosis is a faulty lock ..

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07grandprix my door locks are all actin up sometimes they work & sometimes they dont I can set the alarm even tho they wont lock & the alarm goes off if u open the door but won't lock with the key/pad


The Power Door Lock System is controlled by the body control module (BCM) and can be activated by any one of the following
?€¢
A door lock switch lock or unlock actuation.


?€¢
A door lock cylinder switch unlock actuation.


?€¢
A keyless entry transmitter actuation.


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When the body control module (BCM) detects a transition of either of the door lock switches to the lock position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the lock position.
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When the body control module (BCM) detects a transition of either of the door lock switches to the unlock position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the left front (LF) door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.
A factory scan tool would help for checking inputs from the door switches to the BCM ! You could do it with out scan tool , a lot more work involved ! Need a wiring diagram an a component location chart an wiring harness routing diagram !
Most intermittent conditions are caused by faulty electrical connections or wiring. Inspect for the following items:
?€¢
Wiring broken inside the insulation


?€¢
Poor connection between the male and female terminal at a connector


?€¢
Poor terminal to wire connection--Some conditions which fall under this description are poor crimps, poor solder joints, crimping over the wire insulation rather than the wire itself, and corrosion in the wire to terminal contact area, etc.


?€¢
Pierced or damaged insulation can allow moisture to enter the wiring causing corrosion. The conductor can corrode inside the insulation, with little visible evidence. Look for swollen and stiff sections of wire in the suspect circuits.


?€¢
Wiring which has been pinched, cut, or its insulation rubbed through may cause an intermittent open or short as the bare area touches other wiring or parts of the vehicle.


?€¢
Wiring that comes in contact with hot or exhaust components


?€¢
Refer to Inducing Intermittent Fault Conditions in order to duplicate the conditions required, in order to verify the customer concern.


?€¢
Refer to Testing for Electrical Intermittents for test procedures to detect intermittent open, high resistance, short to ground, and short to voltage conditions.


?€¢
Refer to Scan Tool Snapshot Procedure for advanced intermittent diagnosis and Vehicle Data Recorder operation.


You should take it to a ASE certified repair shop if not familiar with Automotive electronics !

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