I have a 2000 altima with a no start ondition. My Maxgo scan tool will not even read the BCM. Is this a result of a blown BCM?

sedan or coup/?
read the schematics here the SErVICE MANUAL
https://eautorepair.net/Marketing/Default.asp

previous owner, nobody here blind can now what others did.
inspect your car.

phantom drain on not told exact fuse.
these lamps all run off the BCM brain
the bcm brain uses fuse 9 and 10 JB
and huge H fuse 40amp.
then the BCM runs 8 other lamps, the first being DOME(interior room)
if dome switch is off so be dome of OFF
the switch has off, on ,DOOR.
i door mode it runs MAP lamps
BCM runs directly more lamps (vast) but
runs
vanity mirror
trunk lamp (remove that?)
and 2 step lamps LH and RL

there is no dome(int room) fuse at all you are wrong there
if serious learn to ID the exact fuse with drain so we can answer all loads but so can you here

https://eautorepair.net/Marketing/Default.asp

my wild guess is your ammeter was on BCM fuse
and BCM has bogus load, (over 0.050amps is too much)
it runs vast things (the list is GIANT ,it runs the BODY)
did you use a scan too first on OBD2 port and see BCM errors?
that be first.

tail means parking lamps today, 4 or 8 lamps on the car
2 in front ,2 rear, 4 on sides, and license plate lamp too.
all are park .
USA answers I do not do outside USA unless asked but I mostly pass on that, 50 countries the cars are not the same by laws too.
2017 car no engine size stated that can effect fuse box type.
5 engines there are.....
i test all fuses, or open the glove box take the user guide and read index see FUSE PAGE> and read. or buy the service manual I am now reading to you, this second
Fusion,. not the MKV?

there is no FUSE, for those lamps
the BCM brain drive them with deep inside ELECTRONIC regulators that shut off if lamps short.
why not present evidence and ask what is wrong first.
it has 7 regulators
front
rear
side
did all 7 fail ,regs? is the trailer wiring a mess? at jack.?
the BCM fuses F62 and F67 if blown kills this BCM function.
Fuse battery junction box, (engine bay box)
so those 2 fuse are good. 50amps rated.
then you must scan the PCM/BCM
with a modern OBD2 scanner told 2008 or newer, (CANBUS rated)

our DLC port is CAN bus pins.3,6,11,14 , if the old scan tool pre 2007
is missing those pins it is a useless tool here, 1996 is useless tool.
I use this one

https://www.amazon.com/Autel-MaxiCheck-Scanner-Diagnostic-Service/dp/B07P621KR1

have 10 tools here back to 1996 and upgrade every few years
to get better coverage and on ABS and SRS, etc.

this car
2005 Nissan Altima SEDAN SL 3.5L V6 A/T????? the NAT bottom tells the BCM to allow starting the engine.
SEE THE SECURITY LAMP, CIRCLED IN RED.
THIS MUST GLOW CORRECTLY.
the starter relay modulel is commanded by the BCM.
the flow of logic is.
KEY>?NAT>BCM,TO CANBUS>> IDPM RELAY, >> STARTER.
AS YOU CAN SEE CLEARLY THE NAT MUST BE HAPPY FIRST WITH A VALID KEY,
COUNT THE 7 FUSE THAT CAN BE BLOWN. 7 OF THEM.
5+2.

You probably fried a the PCM engine computer or maybe even some others BCM - body control module . Hooking up a scan tool to see if the computers with talk would be one thing to do , also checking main fuses would be other thing to do.

Important: Perform new BCM setup when you replace Body Control Module (BCM). Refer to Body Control Module (BCM) Programming/RPO Configuration .
Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
Remove the left instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.
Disconnect the BCM electrical connectors.
Push the BCM up and move the bottom of the BCM away from and out of the mounting bracket slot in order to remove the BCM.
During Body Control Module (BCM) related service, the procedures below are designated to set-up the BCM correctly. Before you start, read these procedures carefully and completely.

Setup New Body Control Module (BCM)
Tools Required
Scan Tool (Tech 2) GM factory scan tool !
Important:
• Read this procedure carefully and completely.
• The BCM will not function properly if the Setup New BCM procedure is not performed.
• Perform the Theft Deterrent Re-learn procedure after successfully finishing the Setup New BCM procedure. If the Theft Deterrent Re-learn procedure is not performed after a BCM replacement, the following conditions may occur:
- The vehicle will not be protected against theft by the PASSLOCK system.
- The engine will not crank nor start. Your best bet is to take your vehicle to a dealer or a ASE certified repair shop who has proper tools .

It's located on the passenger side A pillar. Or behind the right kick panel ! The first thing to do would be check all Modules for DTC'S ! Yes the BCM need's to be programmed when replaced !
Introduction
The procedures below will program the body control module (BCM) correctly after BCM related service, or setup the sensing and diagnostic module (SDM) serial number in the BCM after the SDM has been replaced. Before you start, read these procedures carefully and completely.
Programming a new Body Control Module (BCM)
If the BCM has been replaced, perform the following steps in order:

1. Ensure that the battery is fully charged.
2. Connect a scan tool to the data link connector (DLC).
3. Turn ON the ignition, with the engine and all accessories OFF.
4. Program the BCM. Refer to Service Programming System (SPS) in Programming.
5. Setup the sensing and diagnostic module (SDM) serial number in the BCM. Select Setup SDM Serial Number in BCM with the scan tool.
6. Perform the Programming Theft Deterrent System Components in Theft Deterrent.
7. Program the key fobs. Refer to Transmitter Programming in Keyless Entry.
8. Clear all diagnostic trouble codes (DTCs) with the scan tool.

After the procedure is completed, the personalization settings of the BCM are set to a default setting. Inform the customer that the personalization must be set again. Refer to Vehicle Personalization in Personalization.

You need the Body control module (BCM) scanned for faults, these are BCM related problems, yes they are all computer controlled. Also did you get the new BCM programmed for your vehicle?

The service vehicle is not the same as the service engine light in that the service vehicle light has to do with the body control module,(BCM).You have to get the codes read for the BCM and any other module with the scan tool.I`m not sure if Auto Zone can read the BCM codes.Not all scan tools are able to read all the modules in a vehicle.Hope this helps.Good luck.

It very well could be the BCM....only way to check it is to have a full featured scan tool, and check out the systems.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

It's a "BCM" issue. Body control module. think of a "BCM" as a computer for the interior electrical aspects of the car. If you have the proper scan tool (Tech II) and the skill scan the "BCM" for error codes. Post the codes and I'll tell you how to fix it. If you don't have a scan tool or the skill take the car to a dealer or qualified mechanic.