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Follow this guide to replace the light bar in your DualShock 4 model CUH-ZCT1U controller.
The light bar is made of a two piece bracket, LED light guide, and a diffuser. If your light bar is physically intact, but the light itself malfunctions, follow this guide to replace the daughterboard and the LED light source for the light bar.
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Check the model number on the back of your controller. This guide was written using model CUH-ZCT1U. If you have another model, the guide procedure and replacement parts may differ slightly.
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Use a Phillips screwdriver to remove the four 6.4 mm-long screws securing the rear case.
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Use an opening pick to pry each corner of the L1 button from the front case.
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Remove the button.
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Use your opening pick to pry and remove the R1 button, just as you did for the L1 button.
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Insert your opening pick at a downward angle between the front case and rear case, halfway between the handle and the action buttons.
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Slide your pick toward the handle and pry up to release the first clip.
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Repeat this procedure on the other side of the controller to release the second clip.
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Two more clips secure the rear case near the extension port and the headphone jack.
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Insert your opening pick between the front case and rear case at either side of the ports.
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Twist your pick to unclip this section of the rear case from the front case.
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Locate the clips by looking through the gap above the R2 or L2 buttons.
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Insert the point of a spudger through the gap above the R2 button and push the retaining clip outward.
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While pushing the clip outward, slowly pull the rear case away from the front case until you feel them separate.
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Repeat this procedure for the clip near the L2 button.
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Press the R2 button and slide the rear case over it.
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Press the L2 button and slide the rear case over it.
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Flip the rear case over the top of the controller and lay it down, being careful not to strain the interconnect cable.
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Use tweezers or your fingers to remove the interconnect cable by pulling its blue pull tab straight out of the socket.
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Use your Phillips screwdriver to remove the two 6.4 mm screws securing the light guide bracket to the rear case.
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Remove the black spacer and white bracket from the light guide.
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Peel both foam pads from the light guide.
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Grab and lift the light guide from its alignment pegs on the rear case.
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Remove the light guide.
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Push the light diffuser through the inside of the rear case and remove it.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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