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sprinkles08, ASE Certified Technician
Category: Infiniti
Satisfied Customers: 22646
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Please my infinity nissan FX 35 won't start but showing At

Customer Question

Hi please my infinity nissan FX 35 won't start but showing At check on the darch board
JA: Does the engine turn over? How old is the battery?
Customer: Is a new battery ,thé engine does not turn over .
JA: What is the model/year of your Infiniti?
Customer: Fx35 2004 model
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I checked it with my scanner is showingC
JA: Anything else you think the mechanic should know?
Customer: Is writting code U1001
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Infiniti Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Infiniti
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

U1001 is for a CAN bus communication issue. The modules all communicate over a wired network and this code sets when either the engine controller isn't able to communicate with other modules, or other modules are not able to communicate with it. This could be any module on the bus, a wiring issue, or the engine controller itself may be down.

Do you know what module this code was stored in?