VXCF9 Proof
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Elder User
Joined: Dec 2007
Posts: 971
Likes: 1
From: IA MN SD
The new VXCF9 strategy is rumored to trigger the SES light when EOT exceeds ECT by 15 degrees.
I have the new VXCF9 strategy, and I didn't get a SES light for any of the instances shown in the pictures above.
I have the new VXCF9 strategy, and I didn't get a SES light for any of the instances shown in the pictures above.
Fleet Owner
Joined: Nov 2003
Posts: 27,872
Likes: 3,592
I will try to look up the TSB tonight or tomorrow.
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Elder User
Joined: Dec 2007
Posts: 971
Likes: 1
From: IA MN SD
Well, if it wasn't the most recent version at the time I had it installed (early Feb), I wasted $83 at the dealership, which would be frustrating. I hope that's not the case, but I don't know how to tell.
CHEEZIT- have you had any trucks come thru with this strat or older showing a code for the 15 degree diff?
CHEEZIT- have you had any trucks come thru with this strat or older showing a code for the 15 degree diff?
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Posting Guru
Joined: Feb 2009
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From: Moyock, NC
According to TSB 9-24-3, dated 20 Nov 2009, Action reads:
Reprogram the powertrain control module (PCM)using IDS release 63.13 and higher or 64.01 and higher. The transmission control module (TCM) and fuel injector control module (FICM) , will automatically update if they are not at the latest calibration level. This new calibration is not included in the VCM 2009.11 DVD. Calibration files may also be obtained at Motorcraft.
Specifically:
Oil cooler efficiency monitor - DTC P012F stored and wrench warning lamp illuminated when the oil coolers efficiency drops below a specified threshold for a given speed and vehicle load condition.
Cooling loss protection - Revised engine protection strategy when an engine over-temperature condition is present. Vehicles updated with this service calibration will display higher temperature gauge readings when high EOT conditions or high ECT are encountered and may disable EGR operation to prevent possible EGR cooler damage.
Reprogram the powertrain control module (PCM)using IDS release 63.13 and higher or 64.01 and higher. The transmission control module (TCM) and fuel injector control module (FICM) , will automatically update if they are not at the latest calibration level. This new calibration is not included in the VCM 2009.11 DVD. Calibration files may also be obtained at Motorcraft.
Specifically:
Oil cooler efficiency monitor - DTC P012F stored and wrench warning lamp illuminated when the oil coolers efficiency drops below a specified threshold for a given speed and vehicle load condition.
Cooling loss protection - Revised engine protection strategy when an engine over-temperature condition is present. Vehicles updated with this service calibration will display higher temperature gauge readings when high EOT conditions or high ECT are encountered and may disable EGR operation to prevent possible EGR cooler damage.
Fleet Owner
Joined: Nov 2003
Posts: 27,872
Likes: 3,592
I thought that the TSB might also list a strategy code. I was mistaken.
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Elder User
Joined: Dec 2007
Posts: 971
Likes: 1
From: IA MN SD
That is what I suspected... That there were more triggers that needed to be met, in addition to the 15 degree temp diff, in order to trigger the ses light.
Too bad we don't know the specifics of the "engine loading" parameters.
Too bad we don't know the specifics of the "engine loading" parameters.
Fleet Owner
Joined: Nov 2003
Posts: 27,872
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Choosing a flash - Diesel Forum - TheDieselStop.com
Lead Driver
Joined: Nov 2007
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I was watching temps today while towing heavy(11K# trailer). I was going up a long grade, with a brutal headwind. I saw EOT as much as 19*> ECT. I wasn't concerned, but I did think about the 15* wrench light programming. My truck is running well and I couldn't imagine the oil cooler being that efficient under heavy loads. On the flats my temps are within 5* of each other. Re-assuring to read that there's more to the wrench light strategy than just temps.