2021 Jeep Grand Cherokee
Key Replacement - Save vs Dealer in Ventura County
No Spare Needed | We Make Keys On-Site
Lost all your keys? Don't panic, and don't call a tow truck. Our mobile locksmith comes to your vehicle and creates a brand new key from scratch, even with zero working keys.
Emergency key, plus 10% off
2021 Jeep Grand Cherokee
Key Options
Dealer-grade key for a fair, honest price
No Jeep Key? See Your Best Option
No key? See which option gets you driving faster
2021 Jeep Grand Cherokee Smart Key Replacement - Fast, Affordable & Professional
Saturday morning in the Wagon Wheel neighborhood. A mom with three kids loaded in her 2021 Grand Cherokee couldn't get the thing to recognize her key. "Key Fob Not Detected" on the dash, no button response, and the dealer told her Tuesday at the earliest.
She held the fob against the start button like the manual says. Nothing. Fresh CR2032 from the gas station. Still nothing.
I pulled up to find her using the emergency blade to manually unlock doors while her kids watched from inside. First check: her M3N-40821302 fob tested completely dead on my frequency counter. Not low signal. Zero signal. The circuit board had failed.
Building a new fob takes the right sequence. Generate fresh transponder data, transfer it to the blank M3N-40821302, then marry it to her Jeep through the OBD port. The security gateway on these requires specific handshake timing or it locks you out for 10 minutes.
Twenty minutes later, all five buttons working: lock, unlock, hatch, panic, remote start. Passive entry restored on all four doors. She tested it three times before she believed it was really fixed.
The dealer wanted her to tow it in and leave it for days. I handled it in her driveway while her kids ate breakfast. Same Saturday rates as any other day.
Save vs the Dealer on Your Jeep Grand Cherokee Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Jeep Grand Cherokee Rapid Response, Done Right
Rapid response in the field
Real Emergency, Real Relief
Stranded drivers who found relief
“I lost my key and called EZ Car Keyz. Marco was great. He arrived quickly, explained everything clearly, and kept me informed throughout the entire process. The service was fast, professional, and fairly priced.”
“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”
“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”
Related Jeep Keys
All keys lost on any vehicle? No problem
Did You Know?Jeep Grand Cherokee - Other Years
Jeep Grand Cherokee Key Service Areas
All-keys-lost service in every city
Emergency service available in all listed cities
