Airbag light is on but no OBDII errors
#1
Airbag light is on but no OBDII errors
Hi Gents
I have bought a xk with a small front damage that I have fixed. The passenger airbag was deployed and I had to change the dashboard and a replaced the airbag. I removed the crash Airbag ECU and had sent it in for a Crash Data Reset. I have deleted all errors with my obdII scanner and itīs showing no more errors. unfortunately, the airbag light is still on.
Any suggestions ?
Thank you
Frank
I have bought a xk with a small front damage that I have fixed. The passenger airbag was deployed and I had to change the dashboard and a replaced the airbag. I removed the crash Airbag ECU and had sent it in for a Crash Data Reset. I have deleted all errors with my obdII scanner and itīs showing no more errors. unfortunately, the airbag light is still on.
Any suggestions ?
Thank you
Frank
#2
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winstonsalemncxk (04-09-2018)
#3
#5
#7
As already stated in earlier posts, you cannot troubleshoot this with an ordinary scanner as errors can set Bxxxx or Uxxxx codes.
As a result of the front end damage, it could be as simple as the RCM permanent memory store is full following too many transitions/events.
Assuming the vehicle is European specification, there is also RCM to Pedestrian Protestion Module (PPM) signalling which could be a factor.
Graham
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Cee Jay (04-10-2018)
#11
I had the car on a professional BOSCH OBD tester last night and found 1 error but clearing didnīt brought any change. Could it be still the RCM ? It has been restored to default before I have exchanged the deployed airbag (wires were allready disconnected) and luckywise the car has not a PPM installed. What about the crash sensors in the front, could they cause the trouble ?
#12
That crazy bonnet-popping explosion upon front impact? No, my US car does not have that installed. Never was installed. No vehicles I've ever heard of in the US have those.
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