Question about 2005 Jeep Grand Cherokee

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Srs light Had battery replaced at Auto Zone. The man gave me something to plug into the lighter which he said would keep the computer from resetting? My SRS light has been on ever since. How do I reset it?

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  • rmallla Dec 01, 2008

    I have Honda Accord EX 2002. It has run 78000+ so far. From today morning SRS light is ON. What is the problem and how to solve this? Please help me.



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This one is for Rmallla,

Hi there,

It was hard to track you down. Thank you for the compliments, I will do my best to live up to them. I also like to receive Fixya ratings. So I always try to do my best. The answer to your problem is going to be a joint effort. For part of it, I'm going to have another Expert help you. Then I'll finish.

This is a serious subject, so I'm going to provide as much info as possible. So please be patient with the overwhelm.

My main experience in handling Airbags was the extraction of them at a wrecking yard for resale. Specifically the safe handling of undeployed airbags AFTER a crash. In the 15 months I was at this location, I pulled well over three hundred of them with zero accidental deployments.

Click here for precautions to take when handling, working with on or near airbag systems. I supply these as a cautionary bit of advice for anyone who might be working near these systems.

The problem you are describing is a coming from what is commonly referred to as the DERM (Diagnostic/Energy Reserve Module). To be honest, I'm not sure what Honda calls their version of the DERM. For lack of a better term, call it the Brain Module.

The brain makes sure your system is in working order, receives sensor info and holds a charge that deploys the airbags even if the battery gets destroyed in a crash. That charge why even a car without a battery can still deploy an airbag by surprise.

Every time you start your vehicle, this module performs system diagnostics (indicated when your SRS light blinks). After a successful diagnostic, the SRS light goes out. When it stays on, that means there is a fault.

Now here is the area I'm weak in. The fault the brain module found is held in storage. As you may imagine, running diagnostics on wrecked vehicles wasn't a top priority. As such, I can't advise you on the next step you need to take, which is how to retrieve these codes. They will indicate the type of fault and where it is in the system.

I'm not sure if your Honda has an ODBII diagnostic option or if system error codes are retrieved via another route. For this, I would have to refer you back to Toyota Ed.

Click here for his profile, then click the 'AskMe' button under that Gold Star.

I can tell you that in 2004, the price of individual airbags was usually over $500.00. Airbag sets and the brain from a single vehicle was over $1,000.00

While the dealership can definitely fix it, the cost could approach $1,000.00. We, here at FixYa consider that to be a solution of the last resort.

So, I hope this helps, but I must hand this problem back to Toyota Ed temporarily in order to get those codes.

I'll be waiting when they are retrieved.

Posted on Feb 02, 2009

  • Justin Case
    Justin Case Feb 03, 2009


    What you need to do is hit an auto parts store that performs ODB2
    diagnostics. This is usually performed free of charge (in the hope that
    you will buy something). The diagnostics will be a series of numbers.

    You need to get me those codes so we can decipher them. They will point to the fault in the system.





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