2002 Jeep Wrangler
Key Replacement - Save vs Dealer in Ventura County

2002 Jeep Wrangler Transponder Key Replacement - Fast, Affordable & Professional

Over in Village at Moorpark, a yoga instructor had a 2002 Wrangler TJ with a key that was falling apart. The plastic housing around the blade had cracked clean through, and the whole thing was held together with a strip of electrical tape. She drove it like that for weeks.

The dealer told her she needed a full replacement key, cut and programmed. She almost went for it. Then she asked them if they could just fix the shell since the key still worked. They said no.

I met her in her duplex driveway. Popped the old housing open on her hood. The transponder chip, a PCF7935, was sitting in its slot perfectly fine. The Y159 blade had good bitting, no wear worth worrying about. Everything that mattered was intact.

I transferred the chip and blade into a new aftermarket shell, same dimensions, same key head profile that fits the TJ's chunky ignition housing. Tested the transponder read through the SKIM module, started it three times cold, let it cycle through the security light sequence each time. Solid reads every time.

She watched the security lamp on the cluster go out in under two seconds on each start. That quick extinguish means the SKIM and the PCF7935 are talking clean.

The dealer wanted to replace parts that were working fine. She paid a fraction of that and kept her original key internals.

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