Problem with the Airbag warning light on.
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Same issue
I've had the same issue in my 05 300c. I took it in the first time, and they said it was the clock spring...they replaced....when I went in to pick it up, it was still on. Now not even 1000 km later, it's on again!
Does anyhone have any other news, or experiences?
Ciao,
Demarad
I've had the same issue in my 05 300c. I took it in the first time, and they said it was the clock spring...they replaced....when I went in to pick it up, it was still on. Now not even 1000 km later, it's on again!
Does anyhone have any other news, or experiences?
Ciao,
Demarad
Joined
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634 Posts
I had an ongoing problem with my airbag month for 8 months+. Eventually they had to replace the wiring harness. I guess some early models had the wiring harness without gold-plated contacts. I was told this was the problem, especially in colder weather when a good connection is needed. My light was always on when the cabin/outside temperature was cold because a good connection was needed. Once the car, wires warmed up, upon the next start of the car the light would remain off until the next morning or when the car sat for awhile. It was a pain in the ass for them to track it down, but since the replacement of that harness, the light has remained off.
John
John
airbag light
Hey guys
I have a 3.5 and had the same problem.I actually found the cause.When I installed my amp I had to hook up a wire to a fuse at the panel in the trunk and there are 2 small black diods in the fuse box on the left i believe.Anyway try pressing down on them.I read that some people put tape on them to keep them in.
Hey guys
I have a 3.5 and had the same problem.I actually found the cause.When I installed my amp I had to hook up a wire to a fuse at the panel in the trunk and there are 2 small black diods in the fuse box on the left i believe.Anyway try pressing down on them.I read that some people put tape on them to keep them in.
Add me to the list!
This morning in rush-hour traffic.
I'll try the pressing the diodes trick to see if it goes off and stays off.
Kind of weird in a way as yesterday I helped a friend extinguish the air bag light in his '98 Mustang caused by a chrome-plate dressup kit he had added that literally left the crash sensors ungrounded. Seems like the 'evil seed' followed me to my C!
12/05/05 EDIT: At lunchtime I had occasion to have to go into the trunk so I pulled up the floor cover, popped the PDC's cover and pushed on the two black diodes. They really didn't seem to move. Only then did I start the engine and, as if by magic, the airbag warning light extinguished after the perscribed 6 - 8 seconds. I should have tried starting it before pressing on the diodes as maybe the warning light would have turned off by itself. I'll see what the trip home brings!
PS - For the record, the outside temperature at the time was 31 degrees F, but then's about what it's been all day so far.
12/06/05 EDIT: No air bag light on the trip home or back in to work this A.M.
Ambient temp. still around 30F. I checked the service manual as to what the purpose of those (2) black diodes is/are. Neither has anything to do with air bag stuff. Interestingly though the black diodes are situated in the rear PDC on the end of a row with 4 fuses, one of which (#28) is for the MODULE-OCCUPANT RESTRAINT CONTROLLER! Perhaps accessing the diodes also accessed Fuse #28?
This morning in rush-hour traffic.
I'll try the pressing the diodes trick to see if it goes off and stays off.
Kind of weird in a way as yesterday I helped a friend extinguish the air bag light in his '98 Mustang caused by a chrome-plate dressup kit he had added that literally left the crash sensors ungrounded. Seems like the 'evil seed' followed me to my C!
12/05/05 EDIT: At lunchtime I had occasion to have to go into the trunk so I pulled up the floor cover, popped the PDC's cover and pushed on the two black diodes. They really didn't seem to move. Only then did I start the engine and, as if by magic, the airbag warning light extinguished after the perscribed 6 - 8 seconds. I should have tried starting it before pressing on the diodes as maybe the warning light would have turned off by itself. I'll see what the trip home brings!
PS - For the record, the outside temperature at the time was 31 degrees F, but then's about what it's been all day so far.
12/06/05 EDIT: No air bag light on the trip home or back in to work this A.M.
Ambient temp. still around 30F. I checked the service manual as to what the purpose of those (2) black diodes is/are. Neither has anything to do with air bag stuff. Interestingly though the black diodes are situated in the rear PDC on the end of a row with 4 fuses, one of which (#28) is for the MODULE-OCCUPANT RESTRAINT CONTROLLER! Perhaps accessing the diodes also accessed Fuse #28?
Had the same problem with my 05 300C with < 2k miles when it happened. The air bag light in the dash would come on intermittenly along with a chime. Next time I started the car it would went away. Took it to the dealer and they reported a faulty air bag module. Ordered the part in and replaced in less than an hour. So far with 1000 miles since the repair, it's behaving with no problem.
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88 Posts
airbag light
me too...passenger side on with someone in the seat...
me too...passenger side on with someone in the seat...
mine as well, here is the solution
I had the same airbag issue...on and off on and off. the dealer replaced the clockspring 4 times. finally they said it was due to the "dash harness" or "wire harness"...apparently the '05s had an issue with gold plating on the connections and the '06s are fixed. hence they are replacing my wiring and that has solved the problem.
Does anyone know what is involved in replacing the dash harness, or wiring harness? I have all kinds of creeks and rattles now! I'm extrememly frustrated.
Thanks,
demarad
I had the same airbag issue...on and off on and off. the dealer replaced the clockspring 4 times. finally they said it was due to the "dash harness" or "wire harness"...apparently the '05s had an issue with gold plating on the connections and the '06s are fixed. hence they are replacing my wiring and that has solved the problem.
Does anyone know what is involved in replacing the dash harness, or wiring harness? I have all kinds of creeks and rattles now! I'm extrememly frustrated.
Thanks,
demarad
Airbag Warning light - lights after 10 minutes
I purchased a new 300C AWD 2 weeks ago and I have had a problem with the airbag warning light coming on while driving. I took it in for service and they recalibrated the passenger seat sensor but it did not correct the problem.
Here is what happens with my car:
1) Insert key and start car
2) No passenger in passenger seat
3) Airbag warning light comes on exactly 10 minutes after starting vehicle.
You can set your watch by this. It happens at EXACTLY 10 minutes after starting vehicle every time unless there is a passenger in the passenger seat.
If you don't remove the key and turn off/start vehicle again it will not repeat. It only occurs when putting the key in ignition the first time.
I purchased a new 300C AWD 2 weeks ago and I have had a problem with the airbag warning light coming on while driving. I took it in for service and they recalibrated the passenger seat sensor but it did not correct the problem.
Here is what happens with my car:
1) Insert key and start car
2) No passenger in passenger seat
3) Airbag warning light comes on exactly 10 minutes after starting vehicle.
You can set your watch by this. It happens at EXACTLY 10 minutes after starting vehicle every time unless there is a passenger in the passenger seat.
If you don't remove the key and turn off/start vehicle again it will not repeat. It only occurs when putting the key in ignition the first time.
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3,445 Posts
On my way home from a nice night out with my friends when I hear a chime and I look and the passenger airbag and the airbag on the cluster came on for about 5 seconds and then went off.
5 minutes later it came on again stayed on for about 10 seconds and went off.
4 days later didnt happen again, but we will see this weekend when I drive my car.
Im not gonna bring it to the dealer cause its nothing to important, or is it?
5 minutes later it came on again stayed on for about 10 seconds and went off.
4 days later didnt happen again, but we will see this weekend when I drive my car.
Im not gonna bring it to the dealer cause its nothing to important, or is it?
Mine was doing this too. I took it in to Bankston Chrysler Jeep Dodge in Frisco, TX on Monday of this week. They re-calibrated the seat weight sensor and it appeared to fix the problem. The service advisor said this problem can be caused by frequently putting items like a brief case in the passenger seat. The seat learns that that is the zero weight and thinks it is -10 lbs, or whatever when nothing is in the seat. This causes the airbag warning light to come on. I appears to have worked! They also fixed the pesky sunroof rattle using the existing TSB. I had to show them the TSB though, as they didn't seem to know anything about it. All is well now! 
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1,653 Posts
I just got this problem after I had a stereo system installed. I also get the yellow warning light in the middle console at the same time as the red airbag light in the dash.
I think in my case it's because I now have an amp installed under the front passenger seat. The owner's manual (around p.42 for my car's manual) says there are four seat-weight sensors under the seat and that having something "jammed" under there can cause exactly my symptoms.
But before assuming this is the answer, do any of you also have the yellow console light as well as the red dash light coming on? Maybe my problem is the same as one of yours, like the electrical contacts in the trunk.
I think in my case it's because I now have an amp installed under the front passenger seat. The owner's manual (around p.42 for my car's manual) says there are four seat-weight sensors under the seat and that having something "jammed" under there can cause exactly my symptoms.
But before assuming this is the answer, do any of you also have the yellow console light as well as the red dash light coming on? Maybe my problem is the same as one of yours, like the electrical contacts in the trunk.
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