Question about Cars & Trucks
On my 2007Ttahoe when I open the power lift gate about 1/2 way up the rear window pops open. You then must close it while the door is in the upper position before you cn close the tailgate. My wife isn't tall enough to do that.
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Posted on Jan 02, 2017
Try to reset the tailgate by removing the no.7 (7.5 amp) fuse in the underdash fuse box. Open and close the tailgate manually, reinstall the fuse, and try the open tailgate button. If that doesn't work you would have take it to the dealer, where they can check for DTC's (diagnostic trouble codes). Honda Al
Posted on Apr 19, 2009
SOURCE: 1996 Isuzu Rodeo stuck tail gate
Remove the interior trim panel which will not be easy since the gate is up ---- you can then access the lock mechanism and will probably find a bent linkage rod or a broken plastic retainer clip.
Posted on Apr 26, 2009
SOURCE: 2004 GMC Envoy XUV SLT
There is a technical service bulletin regarding this problem with 2004 GMC envoy. Actually there are 3 separate issues with regards to the elecronic tailgate. The reason why the dealers are backordered is the part you want keeps failing after a time of being installed.
For the particular problem you have of the electronic latch not working, the bulletin recommends a inspection of the endgate connector C900. Look for the wires to be backed out of the connector or not properly crimped. To crimp you will need a crimping tool available at any electrical supply shop. The connectors can be had from the dealers.
The other solution referred to intermittent operation of the endgate but can apply in your situation also. For that, look for chaffing at the wire harness connectors for the endgate actuators located at the upper right and lower left latches. They have been found to be pinched up to 8 inches away from the actuators. In this situation it would be ideal to replace the connectors and install in a way so wires will not be pinched.
The other thing to look out for is dusty sensors. For this you will need to remove the tailgate trim panel and locate the 2 optical sensors on either side. You can feel them with your hand, they will be the size of a nickel. Clean all the dust under the trim. In addition to that you should open the switch and use contact cleaner to clean out any dust or debris inside there. There is no mechanical way to open the door once the electronic side has malfunctioned without damaging the door. I hope this helps.
Posted on Aug 27, 2010
Tips for a great answer:
An open or short to ground in the lift gate lock relay battery positive voltage circuit
A faulty lift gate lock relay
An open or short to ground in the lift gate lock relay control circuit
A short to ground in the lift gate lock actuator lock control circuit
A faulty BCM
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