SRS (air bags) light on?

OREO101

MEMBER
2005 FORD EXPEDITION
5.4L
V8
4WD
AUTOMATIC
200,000 MILES

Hi,

I don't see any codes related to this.
But my OBD II scanner does not cover SRS (air bag) systems. Maybe that is why I don't get code?
Possible bad clock spring?

Thanks

Wednesday, October 12th, 2022 AT 3:38 PM

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

Certainly, it could be a faulty clock spring, but there are sensors that can fail as well. I believe I just answered a question related to the advance trac for this vehicle and suggested having the can-bus scanned. It's the same for this.

In the event this is a different vehicle, CAN stands for controller area network. Basically, the different computers/modules are tied together via a few wires. This type of scan will retrieve codes regardless of the module storing them.

Here is a link that explains how it's done:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

This is what is recommended. If possible, do this and let me know what codes are retrieved.

Let me know.

Joe

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Wednesday, October 12th, 2022 AT 8:52 PM

OREO101

MEMBER
88 POSTS

I was going to buy this Autel ML629 scanner.
But I don't see any mention of CAN.
Does it have an alternate name?
Here is the link:
https://www.amazon.com/gp/aw/d/B07M66RH77?ref=ppx_pt2_mob_b_prod_image

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Saturday, October 15th, 2022 AT 10:31 AM

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

That one can read more codes, but I don't see anything about reading the system. I attached a pic below from Amazon showing what to look for.

Please keep in mind, I am not recommending the scanners in the picture. I am not familiar with any of them.

Joe

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