Appears under U1000 CAN Communication Circuit heading
B2205 can be easily test with the Nissan Consult 2, you have to test the abs unit test
U1000 and U1001 are codes for a bad ground.
Many of the Nissan cars that has the U1000 the first thing to do is lossen all the ground connecters clean them with sand paper on the connector and body and retighen the bolts back
There will be a few by the engine bay and will look like this lossen all the ground connecters clean them with sand paper on the connector and body and retighen the bolts back
There will also be some under the steering wheel or glove box, I dont have picture of the model or I would post the locations.
You can also add a grounding kit to help the factory grounds since the factory grounds are thin and can lose connecting since you can rust and or have corrosion.
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