Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Do you have a warning light/message on the dashboard?
Can you take a picture of the warning lamp and upload it here? I don't really understand what you mean by ACDS, I believe it may be linked to the AC system.
The only way to know is to connect a fault code reader to the car and see what fault codes are stored. The EML light turns on when a fault is detected by the engine management system, your car can also go into limp mode (reduced engine performance) when this happens.
A standard OBD fault code starts with 'P' followed by numbers 4 numbers, e.g. P0374. So, thats what you need to find out. ACDS is not a fault code, it sounds more like a description relating to a fault, possibly the air conditioning system.
No not all, i'll be happy to help you :) I'll be on standby, let me know when you have more info.