FICM testing procedure
Cross-Country
Joined: Feb 2025
Posts: 68
Likes: 3
Every 6.0L owner needs a good monitor and scan tool. Even more so now that they are an old platform.
Checking for codes is VERY important. The scan tool needs to be a good code reader also (and not all of them are). FORScan (either the full version for a Windows laptop or the Lite version for a smart phone) is the best to get and it is inexpensive. The cost is in the OBDII adapter, and the adapter to get depends on the device that will be used for the download. The Full version download is free, the Lite version is less than $10.
As a simple reminder, the FICM is a computer and voltages don't tell the entire story. Sometimes it is the logic board that has the issue.
Checking for codes is VERY important. The scan tool needs to be a good code reader also (and not all of them are). FORScan (either the full version for a Windows laptop or the Lite version for a smart phone) is the best to get and it is inexpensive. The cost is in the OBDII adapter, and the adapter to get depends on the device that will be used for the download. The Full version download is free, the Lite version is less than $10.
As a simple reminder, the FICM is a computer and voltages don't tell the entire story. Sometimes it is the logic board that has the issue.
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
I got to get away from this I tried to use the OBDLINK max+ but it won’t show anything it is linked up but I can’t get anyone to help me it’s been 3 weeks I’ve missed 4 snow storms plowing I’m just totally disgusted I’ve had 3 of these 6.0 pieces of 💩 I guess 3 strikes means it’s out thanks for your help
Thread Starter
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Fleet Owner
Joined: Nov 2003
Posts: 27,927
Likes: 3,651
FORScan Lite (for iOs) with the OBDLink MX+ isn't difficult, especially w/ an i-phone, and it is the most thorough code reader. You must put your i-phone WiFi to the OBDLink MX+ (WiFi OBDII network). Below is a link for help setting this up (couldn't locate a video). That said, the 6.0L certainly isn't for everyone.
https://forscan.org/documentation_iOS.html
ScanGauge is not a great code reader. Torque Pro isn't bad at code reading.
Need IPR % Duty Cycle and "ICP" readings to troubleshoot the high pressure oil system.
https://forscan.org/documentation_iOS.html
ScanGauge is not a great code reader. Torque Pro isn't bad at code reading.
Need IPR % Duty Cycle and "ICP" readings to troubleshoot the high pressure oil system.
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
Laptop is better.. you will need a Bluetooth to obd doogle.. amazon has cheap ones buy the one for scan recommends..
Cross-Country
Joined: Feb 2025
Posts: 68
Likes: 3
There’s something wrong maybe ecu the OBDLINK is linked to iPhone but in the link page it won’t connect FORscan is installed but can’t link with OBDLINK this a f@#$ing disaster brand new batteries now this morning it started barely all it will do is idle let it warm up now it won’t start and I can’t get anything to link up right it’s such a great start to the week I’m outside 45 knot wind 28 degrees I’m just loving it
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
There’s something wrong maybe ecu the OBDLINK is linked to iPhone but in the link page it won’t connect FORscan is installed but can’t link with OBDLINK this a f@#$ing disaster brand new batteries now this morning it started barely all it will do is idle let it warm up now it won’t start and I can’t get anything to link up right it’s such a great start to the week I’m outside 45 knot wind 28 degrees I’m just loving it
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Cross-Country
Joined: Feb 2025
Posts: 68
Likes: 3
Only other car is a Toyota Corolla I’m in the house taking a breather the problem now is you can’t talk to these companies that sell you this💩 to help all by email my email patience,have been used up with OBDLINK max+ 💩
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
I have scan gauge 2 connect to my 03 24/7.. I can read the numbers while I am driving.. are you using motorboat filters? You can also do the crank test with the oil filter removed to see how quickly the housing fills with oil.. you can also have problems with your lower pressure relief valve.. do a search on YouTube to find the how tos
Cross-Country
Joined: Feb 2025
Posts: 68
Likes: 3
Did all that a week or two ago oil filled right up pulled low pressure relief checked for metal and cleaned everything no metal and everything seemed good replaced ipr Icp injector harness I’m sure it’s Hpop I replaced 2 years age got maybe 20000 miles on it got it from sinister and ficm tests 48v I’m just trying to get scan tool to show Hpop pressure but it’s not happening I don’t know trying to find someone that knows diagnostics