FixYourBoard.com, LLC

Austin, TX 78736

Intermittent Remote Wireless Entry Keyfob

Our friend stopped by with an intermittent keyfob. Here's how we fixed it.

MODEL

Chevrolet

SYMPTOMS

Intermittent operation of door locks from remote wireless entry keyfob

The Keyfob

Chevrolet Keyfob

PROCEDURE

Open keyfob with small blade screwdriver (snaps apart).
Check the battery clip for broken solder joints. These commonly break due to stress from replacing the battery and is one source of intermittent operation.

Check the battery clip solder joints. This is what it should look like after resoldering.

Next check for oxidized pc board contacts.

These contacts on the back of the pc board are oxidized and cause poor contact with the rubber buttons.

Clean them with your 2nd grader's Pink Pearl eraser.

The top contact has been cleaned with the eraser. Do all of them.

Now check the battery terminal pc board pad. Clean it with the eraser.

Oxidized battery terminal.

Clean battery terminal.

Next have a look at the rubber button contact surfaces.

Keyfob buttons. These ones look a little marginal so we reworked them.

If they need rework there is a good product available for this purpose.

Here's how they look after a recoat.

Recoated, not completely dry yet.

This resulted in a repaired, reliable keyfob!.

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Oak Hill Appliance | ApplianceJunk.com | Repair 2000