ECU module programming guide using FDRS

[Ajzride]

@Platinum Peasant my PSCM is often grey on initial scan and comes back with a subsequent scan. I think sometimes it wakes up slower than the other modules when you first turn the key on. I've learned to be okay with it.

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[Platinum Peasant]

@Platinum Peasant my PSCM is often grey on initial scan and comes back with a subsequent scan. I think sometimes it wakes up slower than the other modules when you first turn the key on. I've learned to be okay with it.

Good to know! Thank you!

 

[jmm3807]

Good to know! Thank you!

Same concern here. Always flips to green with self test.

I don’t have cams at speed either.
Don’t recommend PMI of IPMA according to other members. I’m going to do an alignment procedure on the IPMA later as recommended in a TSB. My main reason for doing so is that my BC is a little unstable at times. It hugs the right line a lot.

Edit: I’d like to add that I’m the guy that had 4 modules go purple for the obstacle detection sensors. I decided to PMI the IPMA and that didn’t do anything good so it went to the dealer for correction. This is why I think my IPMA may be a bit off on alignment as well.

 

[JIMFOUNTAIN]

Big shout out to @Lodans @Jesse-Infotainment @Livnitup @Snakebitten and others who helped me on this journey.

My 2021 Job 1 (March 5 build) has Bluecruise and is totally up to date as of Wednesday night. Until probably late today

I received 2.4.3 OTA on Tuesday and then went the 'No patience route" and updated to current SW versions with FDRS and a Mongoose.

I am in early experience program. Got the Bluecruise final steps email 3/18. Bluecruise was available immediately after installing the latest gateway update. So it is possible guys (gals).

These updates also fixed a number of other issues:
1) Pro Trailer backup stickers.. now work (was probably the TRM module update).
2) Mirrors fold/unfold as expected now. Problem was Profile/FOB 1 was autofold OFF. Profile/FOB 2 had autofold ON. When #2 locked the truck the mirrors folded.. As they should. If you unlock with #2 great. Unlock with #1 and the mirrors stayed folded. And the unfold button was D-E-A-D. Had to go into Sync and turn autofold on to get mirrors moving again. Been suffering with this SW bug for a year.
3) Cameras at speed!!!!

My running boards are dead.. kick switch nor any setting invoke a response. I saw someone else had this happen. Not sure why my truck was impacted and so many others were not. On the other hand I had Forscan changes in for Bambi, Double Horn, Digital Temps, Global Windows, Twiddled some IOD cards off/on, Cameras at speed and Glare Free. I didn't back any of those out. All still working.

So at least in my case these Forscan changes didn't blow up FDRS updates. Your mileage may vary. Thanks again all!

 

[Jesse-Infotainment]

Big shout out to @Lodans @Jesse-Infotainment @Livnitup @Snakebitten and others who helped me on this journey.

My 2021 Job 1 (March 5 build) has Bluecruise and is totally up to date as of Wednesday night. Until probably late today

I received 2.4.3 OTA on Tuesday and then went the 'No patience route" and updated to current SW versions with FDRS and a Mongoose.

I am in early experience program. Got the Bluecruise final steps email 3/18. Bluecruise was available immediately after installing the latest gateway update. So it is possible guys (gals).

These updates also fixed a number of other issues:
1) Pro Trailer backup stickers.. now work (was probably the TRM module update).
2) Mirrors fold/unfold as expected now. Problem was Profile/FOB 1 was autofold OFF. Profile/FOB 2 had autofold ON. When #2 locked the truck the mirrors folded.. As they should. If you unlock with #2 great. Unlock with #1 and the mirrors stayed folded. And the unfold button was D-E-A-D. Had to go into Sync and turn autofold on to get mirrors moving again. Been suffering with this SW bug for a year.
3) Cameras at speed!!!!

My running boards are dead.. kick switch nor any setting invoke a response. I saw someone else had this happen. Not sure why my truck was impacted and so many others were not. On the other hand I had Forscan changes in for Bambi, Double Horn, Digital Temps, Global Windows, Twiddled some IOD cards off/on, Cameras at speed and Glare Free. I didn't back any of those out. All still working.

So at least in my case these Forscan changes didn't blow up FDRS updates. Your mileage may vary. Thanks again all!

glad to hear> There is a fix for your boards provided by PlatinumPeasant He figured it out.. Huge find. Apparently after the DSM update there are a couple f bits set to zero that if you change to 1 will make them work again. If you look through the thread youll find it..

 

[Snakebitten]

Good to hear @JIMFOUNTAIN
And if I helped in any way that was my pleasure because I owe all the folks you listed, and more.

Go fix those running boards! Lol

 

[JIMFOUNTAIN]

glad to hear> There is a fix for your boards provided by PlatinumPeasant He figured it out.. Huge find. Apparently after the DSM update there are a couple f bits set to zero that if you change to 1 will make them work again. If you look through the thread youll find it..

Found. Fixed. My 744-23-02 was 00xx xxxx xx for some reason. 01xx xxxx xx fixed it. Now looking for more mountains to climb. Trail Turn anyone?

 

[Jesse-Infotainment]

Found. Fixed. My 744-23-02 was 00xx xxxx xx for some reason. 01xx xxxx xx fixed it. Now looking for more mountains to climb. Trail Turn anyone?

yeah. Only need a new ABS Module.

 

[Platinum Peasant]

Same concern here. Always flips to green with self test.

I don’t have cams at speed either.
Don’t recommend PMI of IPMA according to other members. I’m going to do an alignment procedure on the IPMA later as recommended in a TSB. My main reason for doing so is that my BC is a little unstable at times. It hugs the right line a lot.

Edit: I’d like to add that I’m the guy that had 4 modules go purple for the obstacle detection sensors. I decided to PMI the IPMA and that didn’t do anything good so it went to the dealer for correction. This is why I think my IPMA may be a bit off on alignment as well.

Good thing I held off! I definitely don’t want more headaches.

 

[nicholsbradley]

Just did a IPC that’s started another APIM that completed and now another GWM showing 22028_Product Revisions 358. How many more APIM and GWM

 

[Snakebitten]

One more APIM after 358

 

[ksimon123451]

Here's the TSB that it's calling for.

Ok followed the TSB and still same error code, any other ideas?

 

[JasonATL]

Found. Fixed. My 744-23-02 was 00xx xxxx xx for some reason. 01xx xxxx xx fixed it. Now looking for more mountains to climb. Trail Turn anyone?

My battery charger was DOA so I didn’t get all of the updates done yet. I had 3 odd issues afterwards. 2 only occurred the first time I drove it after the updates. The last issue is this running board issue.

Message came on that backup brake assist wasn’t available backing out of the garage. Next 2 times in the truck and backing up with no error.

The truck wouldn’t run on battery. I checked the power flow and it showed this message. It was 66 degrees out and I’ve been driving over 7 miles at this point. After we stopped for ~45 mins and left it was back to normal.

If it helps anyone here are the updates I ran last night.
Door module (DDM)
Audio (DSP)
Gearshift (GSM)
Battery Energy Control (BECM)
Anti-Lock Brake System (ABS)
Secondary On-Board Diag module C (SOBDMC)
Power train Control Module (PCM)
Driver Front Seat Module (DSM)
Door Module (DDM) - showed up again and disappeared after this update. 2 updates maybe. Both were successful.
Trailer Module (TRM)

 

[MikeYQM]

My battery charger was DOA so I didn’t get all of the updates done yet. I had 3 odd issues afterwards. 2 only occurred the first time I drove it after the updates. The last issue is this running board issue.

Message came on that backup brake assist wasn’t available backing out of the garage. Next 2 times in the truck and backing up with no error.

The truck wouldn’t run on battery. I checked the power flow and it showed this message. It was 66 degrees out and I’ve been driving over 7 miles at this point. After we stopped for ~45 mins and left it was back to normal.

If it helps anyone here are the updates I ran last night.
Door module (DDM)
Audio (DSP)
Gearshift (GSM)
Battery Energy Control (BECM)
Anti-Lock Brake System (ABS)
Secondary On-Board Diag module C (SOBDMC)
Power train Control Module (PCM)
Driver Front Seat Module (DSM)
Door Module (DDM) - showed up again and disappeared after this update. 2 updates maybe. Both were successful.
Trailer Module (TRM)

I had mine forget it was a hybrid after the insulation recall repair. I believe they drained the HEV and for a drive cycle it wouldn’t go into EV mode. I don’t recall if it fixed itself or if I charged the battery, but it did correct itself and I believe it was caused by low battery.

it’s possible yours Is related to doing updates without a charger and it will fix itself.

 

[nicholsbradley]

Why after the updates does the power up versions not change? The sync does but not the update details page

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