2015 Mazda 6
Key Replacement - Save vs Dealer in Ventura County
BSIS Licensed | NASTF Certified

With over 1,000 verified Google reviews and every major industry certification, EZ Car Keyz is the locksmith trusted by families, businesses, and fleet managers throughout the area.

Licensed and insured, plus savings
2015 Mazda 6
Key Options
Dealer-grade key for a fair, honest price
Certified Mobile vs Dealer Service
See why 1,000+ customers trust us over the dealership
2015 Mazda 6 Smart Key Replacement - Fast, Affordable & Professional
Out near Santa Paula Airport, a woman who walked dogs for a living flagged me down about her 2015 Mazda 6. Another locksmith had cut and programmed a replacement smart key for her about a week earlier. It worked fine for the first few days, then the push-to-start began flashing "KEY NOT DETECTED" at random. Some mornings it started. Some mornings it sat there.
She figured the car had an electrical gremlin. It didn't.
I pulled her fob apart on my tailgate and ran the chip through my VVDI2. The previous tech had used a transponder that was close to the ID49 Hitag Pro spec but not dead on. Mazda's immobilizer will accept a near-match during initial registration, but the deeper verification loop that runs over multiple drive cycles caught the mismatch and started rejecting it. That's the thing with these third-gen 6 models on the SkyActiv platform: the security handshake isn't a one-time check, it keeps validating.
I programmed a new key with the correct ID49 chip, matched the WAZSKE13D01 housing with four buttons, and swapped her CR2025 while I was in there because the old one was reading low, which only made the intermittent detection worse.
Walked the lock, unlock, trunk, and panic buttons. Tested push-to-start five cold cycles in a row. It's been solid since. She spent a fraction of what the dealer quoted her over the phone.
Save vs the Dealer on Your Mazda 6 Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Mazda 6 Rapid Response, Done Right
Rapid response in the field
Trusted by 1,000+ Mazda Drivers
Rated 5.0 on Google and Yelp
“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”
“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
Mazda 6 Key Service Areas
Certified service across the region

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