Corrected VIN not staying corrected

Michael Mobile Technician Clinton, Utah Posted   Latest  
Question
Driveability
2015 Infiniti Q40 3.7L (VQ37VHR) 7-spd (RE7R01A)

I have a strange one here. 2015 Infinity. Rebuilt / Restored title. Was called to update the PCM and fix the VIN. Using Genuine Consult III plus. Fixed VIN, verified then updated to latest calibration.

Customer just called and said that the VIN has returned to incorrect VIN.

My question is if there are other modules on the network that could be writing the VIN to engine ECU? Since this vehicle was in a wreck or flood, one of the modules other than the PCM could have been replaced with a second hand unit causing the issue. I have not seen this with Nissan before. Has anyone else? Likely candidates?

-Mike 

+6
David Owner/Technician
Wilmington, North Carolina
David
 

Mike, When you performed the vin write did you go under programming/configuration and if so did it give you the option to "replacement with used"? I believe in 2014- most of these can not be done used. You would have to use other methods such as EEPROM to correct the VIN or you would need to replace it with new.

0 Ð Bounty Awarded
Benjamin Diagnostician
Murfreesboro, Tennessee
Benjamin
   

Hey Mike, I had something similar happen on a 2013 Nissan that had a used ECM installed. For some reason the VIN would not take KOEO. It would act like it did but when I restarted everything it would Auto ID the old VIN. I tried writing the VIN with the engine running and it was successful writing the correct VIN. I was not using the Consult 3 plus so it may have been an aftermarket scan tool

+1 Ð Bounty Awarded
Michael Mobile Technician
Clinton, Utah
Michael
 

Benjamin, I will try that in the morning. It could be a trick that will work. The strange thing is that the tool reported success then verified the new VIN. Something new every day......

0 Ð Bounty Awarded
Geoff Diagnostician
Lahaina, Hawaii
Geoff
   

"Something new every day......" Somebody's gotta do it. Meanwhile....back in Maui....Oh look; a 2001 Ford truck....another one!!!

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Kevin Technician
Winnipeg, Manitoba
Kevin
 

Last 2015 on a nissan with C3+ you could not use a used ECM. It had to be “new only”. Now if you opened the ECM up and eeprom’d/ altered the vin like David said! The pictures attached show a 2015 Nissan Rouge and a 2011 Rouge. Notice the difference where it shows “New part only” On the 2015 and “used part” on the 2011.

+2 Ð Bounty Awarded
Michael Mobile Technician
Clinton, Utah
Michael
 

Opened up ECU. Used hot air rework station to lift EEPROM. Changed VIN in EEPROM. Resoldered to PCM board. Testing tomorrow to see if successful. -Mike

+3 Ð Bounty Awarded
Steven Technical Support Specialist
Commack, New York
Steven
   

I looked in the service manual for the Infiniti and the Rogue from a response. It does not show or state that a used ECM cannot be installed. I'm wondering the version of the Consult III + tools.. I see the Consult III + with the Rogue is using Version 61.10 . One thing i can tell you is in newer versions they did move how to register the Vin using CIII +. I would gather it should still work but

0 Ð Bounty Awarded
Michael Mobile Technician
Clinton, Utah
Michael
 

Steven, I am not sure what went sideways in the process. I inherited the problem after the vehicle was running. I tried changing VIN in the Engine Computer section of work support. It did not stick. The fix that was successful was the EEPROM method. Once installed, no codes and the VIN reported properly. In Kevin's screenshot the "New Only" appears in version 81 of Consult program. I am

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Steven Technical Support Specialist
Commack, New York
Steven
   

Hi Michael, I saw the screenshots Kevin posted.. I was a little confused at first. The vehicle was in Immobilizer on the CIII. Nissan or Infiniti does not need a Vin# for key registration as it does not use a Vin# for starting the vehicle. Vin registration is in "work support" mode of Engine.

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Kevin Technician
Winnipeg, Manitoba
Kevin
 

The 2015 Nissan Rouge I was asked to program a Used ECM into this vehicle, However when attempting to do this in the Immobilizer section it only gave me the option for (new part only{ECM}) I never ended up attempting to Eeprom the used ECM as the shop decided to simply get a new ECM. I have been seeing more and more vehicles(various manufactures) where an incorrect vin does not allow the vehicle

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Michael Mobile Technician
Clinton, Utah
Michael
 

Kevin, So my question would be if using the replace pcm (used) selection in the immo section clears the EEPROM so that a new VIN can be loaded? Then the user can go to the Work Support section of the ECU and write VIN? If the previous tech used a locksmith tool or aftermarket tool to marry the keys this process may have not completed in the same manner as the OEM tool. I think I may get some

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Steven Technical Support Specialist
Commack, New York
Steven
 

Michael, At this point I use V83 of Consult III + .. I have never run into an issue with writing a Vin at this point. I'm not saying that Kevin's nor yours cannot write a Vin.. but that his V61.10 is older it may have something to do with it, so to speak. they are up to V85.11 at the moment. What version of CIII + are you using Michael? The full functionality may not be in the older software

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John Owner
Medford, New York
John
 

Michael, Just to add some mud to all of this. I was asked to replace a PCM with a used one on a 2014 Nissan Rogue. I immediately thought of this thread. I first verified that the used PCM had the correct calibration. It had the same calibration as the original PCM. I then proceeded to Immobilizer section of C3Plus. As Kevin stated it had only Replace PCM (New Part). I tried various versions of

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Michael Mobile Technician
Clinton, Utah
Michael
 

John, You bring up a more questions. Maybe there are additional problems with the used module replacement in addition to the VIN issue. I am very interested to see what the results are.

0 Ð Bounty Awarded
John Owner
Medford, New York
John
 

Michael, I am interested too. I will definitely keep you posted. Like I said just when you think you know Nissan. The Rogue model throws a curve always.

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Kevin Technician
Winnipeg, Manitoba
Kevin
   

Ya John Here was a 2014 Nissan Altima (used part) If it’s a new part only it brings a whole new meaning to Eeprom

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John Owner
Medford, New York
John
 

Kevin, No doubt. I am making some strides in Eeprom. Still light years behind you and others. But, I am trying lol. Cheers bud.

0 Ð Bounty Awarded