2001 Jeep Grand Cherokee Logo
Anonymous Posted on Nov 24, 2010

Immobilizer problem in my 2001 grand cheroke - 2001 Jeep Grand Cherokee

  • Marvin
    Marvin Nov 24, 2010

    What exactly is the problem?

  • The Archery Clinic Nov 24, 2010

    Are you referring to the fuel pump cut out switch or inertia switch also called the crash switch ? Just need a little clarification to guide you.

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1 Answer

ZJ Limited

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  • Jeep Master 17,989 Answers
  • Posted on Nov 24, 2010
ZJ Limited
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I'm assuming that you are talking about Inmobilizer System; normally the immobiliser is spliced into the wiring so that it can interrupt three or more circuits (e.g. starter, fuel pump, ECU etc etc). This is normally done in some hard to find place like buried right under the dashboard - so it could be an awkward job. Your best bet is probably to contact an alarm fitter who will know the 'usual' places that the splicing is done on this vehicle.

If you have any problem to tutn on the engine, check this system (inmobilizer); other possibilities is the Neutral Safety Switch (mounted in the Trans) and finally, could the crankshaft adjust or go to bad.

Kee us updated and send us your comments after to check it.

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