Is that a smartkey in your pocket? An important tip

Nissan encountered the “smartkey” issue with its Juke sporty crossover, and with all the smartkeys in use, and just so many suppliers, it’s certainly is possible across other makes—no one can tell you it can’t happen (and we have heard anecdotal reports on other cars): the customer drove the car into the shop, left the key with you, and now it won’t start. The cause: you have smartkeys from other cars in your pocket, and one is sending a false signal to the vehicle electronics, which “thinks” that maybe someone is trying to start the wrong car, perhaps even a thief.

Many of us have encountered a situation where we think we’ve arrived at our car in a parking lot, and we get into the wrong car (or we can’t get into what we think is our car). But the intelligent key miscommunications on unlocked cars are another matter, and the Juke is an example that says they do happen, as unlikely as some software engineer who’s written the rolling code for one of these keys may think it is.

So hanging up all the keys on a pegboard and taking just the one for the car you’re going to work on should become a work habit  (and maybe don’t forget the smartkey for your own car in the process).

If you’re a service professional and not a MACS member yet, you should be! Become a member and receive a technical newsletter with information like what you’ve just read in this blog post visit for more information.

You can E-mail us at . To locate a Mobile Air Conditioning Society member repair shop in your area. Click here to find out more about your car’s mobile A/C and engine cooling system.

Mobile A/C professionals should plan to attend 35th annual Mobile Air Conditioning Society (MACS) Worldwide Training Conference and Trade Show,
Meet me at MACS Make Connections that Matter, February 5-7, 2015 at the Caribe Royale, Orlando, FL.


About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues.
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