2010 FFH Stop Safely Now + P1A0C-00

[jeremyzx]

I've had this car since new, now with 156k miles. Throttle body replaced in 2019, battery last replaced around 2017-2018.

 

This past Saturday I had my first Stop Safely Now event. I was driving in about 65 degree, rainy weather, full tank of gas, about 45 minutes into a drive, when all of the sudden "Stop Safely Now" popped up on the dashboard and the engine lost all power. I've experienced throttle body / limp mode issues in the past, but this was the first time I've seen SSN + loss of all engine power. After pulling it over and letting it sit off for 30 seconds, I started it back up, and was able to drive 5 miles home without an event.

 

I left the car in the driveway and purchased an ODBLink MX+ on Amazon, which came Sunday night. With the key in "On" (without the engine started) I was immediately able to pull the following codes (shown in screenshots below)

 

Confirmed:

P1A0C-00

 

Current:

U3003-16

B10DA-86

U300A-62

P0562-00

P1000-00

P1A0C-00

P0562-04

 

I brought it to the dealership yesterday, with whom I've had a good relationship with for the past 12 years, but they weren't able to read any current codes from it. As such, they didn't find any issue, didn't charge me for the visit, and I drove the car home last night (without issue.)

 

Three questions:

1. Has anyone else experienced similar codes with a "Stop Safely Now" event?

 

2. Are all of the current codes I'm seeing about battery power related to the fact that the car was "On" without the engine on? The dealership said the battery tested fine, and my scanner shows 13.7V - 13.8V, for what that's worth.

 

3. Why was I able to pick up these codes with the OBDLink and the dealership wasn't able to pick them up with their equipment? There aren't any codes listed in Engineering Test Mode, so I don't doubt the validity of their claim.

 

I'm not sure where to go from here. I'm obviously hesitant to drive it under situations where it could be dangerous if it suddenly cuts out on me again.

[FFHinVA]

I had same issue occurring 3-4 times, at 110-120K miles, and it was always associated with a full tank or just after filling up (which you mentioned).

Very un-nerving experience in fast traffic or by concrete barriers.

I read similar comments from others on this forum or the Ford Fusion forum. It turned out to be related to a faulty purge valve.

This $50 part is right on the front of the engine. 10 min job to change out.

Even if it's not the valve now, it will wear out, so not a bad idea to go ahead and replace anyway. 

(I think I put comments/replied somewhere on this forum. I think search term was "Stop Safely Now". "Purge" may narrow it down. Lot of comments related to "SSN".)