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#4111284 - 06/01/21 03:09 AM need help: Airbag Error Code 18
Panzerbulldog Offline
Stranger

Registered: 05/28/21
Posts: 6
Loc: Germany, lower saxony (near Ha...
my second post smile request for help.
The airbag light in the tachometer-unit on my P71 is lightning permament.
Turning the ignition ON, the light blinks one time and then 8 times, so its error 18. As far as i know it could be the Airbaglight ond the passenger side in the dash, but this works. Another problem could be the crash sensor on the drivers side. I got a "new" crashsensor from "CROWNRICK" and replaced it.
But it didn´t bring the result i was hoping for. The airbags light is still lightning.
Maybe the Airbag controlunit is broken?
Anybody here who had the same problem or knows whats wrong?
thanks for your help
greetings from germany

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#4111328 - 06/01/21 08:44 AM Re: need help: Airbag Error Code 18 [Re: Panzerbulldog]
Davidzq Online   happy
Climber

Registered: 01/19/15
Posts: 636
Loc: Seattle, WA
1-8 is Passenger Airbag Disabled warning lamp circuit failure.

How is the light behaving? It should be on for only a short time with passenger seat empty, then go out.
It should be on all the time if there is 30-50lbs of weight in passenger seat.
Should be off if more than 50lbs in passenger seat.
_________________________
David Hensley
Member of Northwest Panthers Car Club

2008 P71, Norsea Blue SAP
-Message Center cluster retrofit
-Towncar Signature L heated power seats
-Long overhead console
-Compustar remote start/security

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#4111340 - 06/01/21 09:39 AM Re: need help: Airbag Error Code 18 [Re: Panzerbulldog]
Panzerbulldog Offline
Stranger

Registered: 05/28/21
Posts: 6
Loc: Germany, lower saxony (near Ha...
thanks, correct. The light on the pasenger side is on for a short time after start with an empty seat and then goes out.

Is there a switch or something under the passenger seat which failed?

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#4111356 - 06/01/21 12:42 PM Re: need help: Airbag Error Code 18 [Re: Panzerbulldog]
Davidzq Online   happy
Climber

Registered: 01/19/15
Posts: 636
Loc: Seattle, WA
The code is specific to the light. All other components have their own codes.

It's actually pretty common for the lights to fail...They have a specific resistance value to them to monitor the circuit, yours night be starting to fail. I'd try throwing in a junkyard one just to test.
_________________________
David Hensley
Member of Northwest Panthers Car Club

2008 P71, Norsea Blue SAP
-Message Center cluster retrofit
-Towncar Signature L heated power seats
-Long overhead console
-Compustar remote start/security

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#4111448 - 06/02/21 03:25 AM Re: need help: Airbag Error Code 18 [Re: Panzerbulldog]
Panzerbulldog Offline
Stranger

Registered: 05/28/21
Posts: 6
Loc: Germany, lower saxony (near Ha...
Hi David,
i have another Crown vic (bad condition, paint is crab) and tonight i couldn´t sleep so i took the light of em out and put it in my dailydriver. The same error frown

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#4121540 - 09/19/21 07:39 PM Re: need help: Airbag Error Code 18 [Re: Panzerbulldog]
SocalSam Offline
Over the Hill

Registered: 03/30/13
Posts: 3030
Loc: SFV, Calif.
Originally Posted By Panzerbulldog
Hi David,
i have another Crown vic (bad condition, paint is crab) and tonight i couldn´t sleep so i took the light of em out and put it in my dailydriver. The same error frown


The answer to your previous question is yes, there is an OCS module and IIRC some sort of bladder sensor to detect children within a certain weight range. Check the connector to the OCS. Contacts might be dirty.
_________________________
2004 CV LX Sport #2, 121,000 miles -- Current
2008 CVPI Arizona Beige, 121,000 miles, 677 idle hours -- Current
Option Adds: Message Center Instrument Cluster , Re-Key Locks , Passenger Door Lock , Autolamps , Ballistic Panels


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