A thunderstorm scares my Ertiga into limp mode: Is this normal?

SA changed the shock sensor sensitivity to low (was high) in the MID.

BHPian hemant.kamat recently shared this with other enthusiasts.

Today, at 5:30 AM, Suzuki Connect triggered multiple Intrusion Alerts during a sudden unseasonal “heavy” thunderstorm and ultimately immobilized my Ertiga ZXi. I didn’t see the alerts until 7 AM, by which time all 6 orange turn indicators were flashing continuously with audible beeps (not the horn)

Unlocking the vehicle gave 4 beeps instead of the usual 2, and did not turn off the flashing indicators or the red immobilizer LED, which was blinking fast, even after the engine was switched ON. The vehicle speed seemed restricted to 25 ~ 30kmph (limp mode?) – and was not picking up speed with accelerator input.

Only by selecting “False Alarm” in the Suzuki Connect app, did the Ertiga finally return to normal. But, shouldn’t unlocking the vehicle with the smart key have disabled the immobilizer?

Called up the SA, who advised me to bring the Ertiga in for a checkup; did that and ultimately, nothing amiss was detected. SA changed the shock sensor sensitivity to low (was high) in the MID.

Any thoughts?

Here’s what BHPian Mr.Boss had to say on the matter:

It’s a Safety feature.

Unlocking will give access to the vehicle in limp mode and once the alert is addressed through the App (in case of a false trigger) or OBD device, it goes back to normal mode.

Here’s what BHPian Jeroen had to say on the matter:

On almost all cars, except some very high-end ones, just disconnecting the minus battery connector for half a minute will reset and erase all codes. If there is a serious issue, obviously the codes will reappear, the engine will go into limp home mode and so on.

But if the problems stay away you are good to go! Unfortunately on most systems the codes also get erased, so there is no way to check afterwards what the problem might have been.

Alarm systems on many cars are known to generate the occasional false alarm. It is happening on my Mini too. Apart from cleaning all electric connections of the sensors and ultimately replacing the suspected sensor there is not a lot you can do.

Good luck

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