Diagnostic Protocol
Diagnostic Protocol

Download: diagnostic_protocol.pdf

Filling in this protocol will simplify us to help you in case of any problems. None of the information was placed in this protocol unwittingly. It was made in view of our years’ experience. It is therefore highly likely that we will need exactly this information that you overlook.

Diagnostic date: ___________________

Who did the diagnostic (a mechanic that specializes in repairing SRS systems / a mechanic that does all repairs in every car / a person who doesn’t go about mechanics normally):  ___________________________________________________________________

The name and model of the diagnostic machine used for reading errors:  _________________________________________________________________________

The device was fitted in: Make__________________Model _________________________Manufacturing year:______ Version (EU/US) _______


The error (SRS / AIRBAG warning light) appeared:

  • Recently, I have already been the car-owner (please write in what kind of situation, e.g. after visiting a car wash, after transporting heavy things in the passenger’s seat) ______________________________________________________
  • Quite long ago (please write when, e.g. a few months, a year, a few years ago) _______________________________
  • The light was on when I bought the car – the worst option, sometimes it is very difficult to find the reason.



What errors did the diagnostic machine display (code and description):

  1. __________________________________________________________________
  2. __________________________________________________________________
  3. __________________________________________________________________



In case you are not sure what is faulty (a lot of multiple errors) or to make sure that the diagnostic is correct, disconnect the component that was mentioned as faulty. Very often it will be the seat occupancy sensor. Then read the errors again and describe them:

  1. __________________________________________________________________
  2. __________________________________________________________________
  3. __________________________________________________________________
  4. __________________________________________________________________


If the diagnostic machine display exactly the same error as in STEP 1 that means that the first diagnostic was correct. If any other error appeared this means that the problem in the car may be more complicated.

ATTENTION! Take care not to disconnect too many components – otherwise more errors will appear for sure!!!

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