2000 Cadillac Seville
Key Replacement - Save vs Dealer in Ventura County

2000 Cadillac Seville Transponder Key Replacement - Fast, Affordable & Professional

I got a call from a guy on the Eastside, Santa Barbara, parked in his own driveway and going nowhere. His 2000 Cadillac Seville would crank fine, almost catch, then cut off. He'd tried it ten times before he called me. His wife had already started Googling fuel pumps.

I asked him one question before I drove over: was the key a copy or the original? Long pause. He said it might be a copy, a spare he'd had cut at a hardware store maybe four years back. That was enough.

When I got there, the key was exactly what I expected. Correct blade cut, no chip. A plain metal copy that could open the door but meant nothing to the immobilizer. The car saw no transponder signal, so it allowed the crank and then shut the fuel system down. Classic. Every time, like clockwork.

I cut a new key to the vehicle and programmed the transponder to the immobilizer on-site, right there in his driveway off the street. First turn, it started and stayed running. He just sat there for a second like he was waiting for it to die again.

He'd been one conversation away from authorizing a fuel pump diagnosis. The dealer never would have caught it that fast. They'd have had him tow it in, run diagnostics, and the bill would have been ugly before anyone looked at the key.

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