Expert: Douglas Gan - 8/21/2009

Question
My airbag light was on.After computerized check according to the result which is - Prog.No. 303F . Self-DIAG (CURRENT)
DTC RESULTS
SIDE MODULE LH (OPEN)(B1134)I have to replace the side module.
I change the module for $500.Two days after the light was on again.After computerized check the result is the almost the same as before except this time the Self-DIAG was (PAST)and the mechanic said that the module was unplugged and fixed it.
I should be grateful if you could explain me the difference
between PRESENT AND PAST SELF DIAG.

Thanking you in advance

Yours truly
EDDY YEUNG  

Answer
Hi Eddy:

Sometimes the fault codes remain in a "history" file in the control module and unless you clear all the codes, they may come back.  Also, a poor connection the first time could have triggered a second identical code and rebooting the connectors often repairs that.


If you would like more information on how to reset and read the codes in your vehicle, visit our website at www.airbagsolutions.com.  
If you want to attempt to read and repair these things yourself, our database offers a subscription for access for 1 day ($14.95) to give you all the answers and tricks to doing it yourself.

I hope this helps you
Doug