My 2007 jeep grand cherokee starts,all the signals flash constant on dash,will hardly move in drive ,and if you shut it off it wont restart.

Asked by Aug 28, 2015 at 10:08 PM about the 2007 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

I replaced module.put in a new 300.00computer that was
preprogrammed,and a new battery.still the same problem.what
now?

6 Answers

78,545

Sounds like an anti thieft system failure, possibly a bad key chip.

Best Answer

Had key chip checked.dealer said it was fine.this was checked before all other things replaced.

78,545

There still could be a failure in the BCM body control module, It was the ECM you had replaced right?

Yes replaced the ecm.how do i check the bcm.?

78,545

The new ECM should be able to link with the BCM now and you can read it's trouble codes, unless there is a failure in the link up, and it will even tell you that.

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Thank u so much.

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