Question about 2003 Chevrolet Avalanche

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2003 Chevy Avalanche rear doors won't lock automatically

The rear doors will not lock with the keyless remote, the drivers master switch, or at speed. The front doors still work fine. The rear doors work fine in unlock mode.

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The rear doors will not lock with the keyless remote, the drivers master switch

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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Looking for location of the keyless remote control module on a 2010 Chevrolet Avalanche LT


Remote Control Door Lock Receiver (RCDLR)
The remote control door lock receiver (RCDLR) is a multifunction module that operates both the keyless entry system as well as the tire pressure monitoring (TPM) system. When an RF message is received from a keyless entry transmitter, the RCDLR interprets this signal and will request via serial data that the body control module (BCM) perform the specific function, i.e. door lock, door unlock, or vehicle locate. The RCDLR also sends messages out to the 2 Way Advanced Remote Start transmitter.

Remote Control Door Lock Receiver (RCDLR) (AP3 or AP8, without E52)
Top rear of the passenger compartment above the rear window


Remote Control Door Lock Receiver (RCDLR) (AP3 or AP8, with E52)
Left rear of the vehicle behind the D-pillar trim panel

Body Control Module (BCM)
On the lower left side of the I/P to the left of the steering column


Good luck !

Jun 05, 2017 | Chevrolet Avalanche Cars & Trucks

1 Answer

04 chevy avalanche starts and dies also poer windows and door locks and keyless entry dont work all happened overnight


sounds like a security issue, disconnect the neg terminal of the battery for 5 minutes, after you reconnect the battery use the door key to lock and unlock the drivers door. try to restart

Feb 11, 2015 | 2004 Chevrolet Avalanche

1 Answer

1998 Jeep Grand Cherokee Laredo TSI, Passenger side windows do not work from master switch on drivers door. Both driver side windows work from master switch on drivers side. Passenger side windows do work...


It has to be the switch or the wiring, right? So pull out the switch and probe the back with a volt meter to see if power is coming out of the switch. If yes, trace the wires to the doors.
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Jun 30, 2017 | Jeep Grand Cherokee Cars & Trucks

1 Answer

I have a 07 Avalanche LTZ that will not unlock the back doors and tail gate when the unlock sensor on the driver or passenger door are pressed or if the unlock button is press on the keyless remote.


unfortunately it is probably the lock actuators on all three, this is a known problem on those, I have worked at a chevy dealer for along time and have seen this many times usually due to water intrusion in the connector at the lock actuator, have been lucky a few times and been able to clean the connectors..

Sep 09, 2010 | 2007 Chevrolet Avalanche LTZ

1 Answer

Good afternoon....what would cause my 2008 Chevy


It could be the power lock motor. You could have a short or bad wiring harness. Might just be a fuse that connects to both. But since you said it's only the driver side. When the power lock motor is bad it can trigger your alarm because they're wired together.

Hope that helps. Good luck.

Apr 06, 2010 | 2008 Chevrolet Avalanche

1 Answer

2003 CHEVY AVALANCHE dash board telling me left


check the lil switch that'll be located on the latch anchor point or within a few inches of it.... odd is the switch is faulty

Sep 09, 2009 | 2003 Chevrolet Avalanche

1 Answer

Locking issues


maybe check the fuses or a loose wire.

Sep 05, 2009 | 2003 Chevrolet Avalanche

2 Answers

Program fob


Instructions to program a keyless entry remote for a Chevy Silverado. They also work on 2003, 2004 and 2006 Suburbans.
  1. Close all the vehicle doors.
  2. Insert the ignition key into the ignition lock cylinder.
  3. Press and hold the DOOR unlock switch.
  4. While holding the DOOR lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
  5. Release the DOOR unlock switch. The doors will lock and unlock to confirm the program mode.
  6. Press and hold the LOCK button and the UNLOCK button simultaneously on one keyless remote. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.
  7. Repeat the previous step to program up to four transmitters.
  8. Turn the ignition switch to the RUN (one more click forward) position in order to exit the keyless entry transmitter mode.
  9. Operate the transmitter functions in order to verify correct system operation

Apr 19, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

2003 Honda Pilot Rear door lock not working


I have a 2004 honda pilot.The passinger door and the back door behind the driver seat will not lock or unlock with remote or with door lock switch,What can I do to fix it?

Sep 18, 2008 | 2003 Honda Pilot

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