2007 Acura RDX
Key Replacement - Save vs Dealer in Ventura County

2007 Acura RDX Remote Flip Key Replacement - Fast, Affordable & Professional

I got a call from a woman parked at her place in Hollywood Beach, Oxnard. She said her 2007 RDX was doing something strange: it would lock and unlock fine from the fob, but the engine would start for a second and then cut out. She'd already had someone else look at it. That tech had made her a key, but it wasn't right.

When I got there, the car was sitting in the driveway and she was apologetic about calling a second person. I told her that was the smart move, not the embarrassing one.

I popped the fob open on the hood. The CR1616 was low, which explained the occasional short range on the remote, but that wasn't the whole story. The transponder chip inside wasn't seated the way it should be, and based on how the engine behaved, the immobilizer wasn't reading it consistently. Start, run for a beat, die. That pattern is the immobilizer saying it sees something, just not something it fully trusts.

I connected to the OBD port, got into the immobilizer system, cleared the old key data, and programmed a fresh key matched to her RDX. Installed a new CR1616, confirmed the chip was secure in the housing, and had her test every button and start the car three times in a row before I packed up.

Third start, no drama. The security light went off and stayed off. She said the other tech had told her she might need a dealer visit anyway. She didn't.

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