The warning lights on the dashboard are yellow and randomly coming on
What is your question?
The lights on the dashboard keep coming on. It is primarily the solid engine symbol with the emissions system warning, the parking symbol, and the electric parking brake problem warning. But after a few moments the gear position indicator starts showing all the gears and is blinking and the vehicle stability assist warning indicator, brake hold system warning indicator, blind spot warning indicator, road departure warning indicator, forward collision warning indicator, lane departure warning indicator, and the precision all wheel steer indicator all come on at a solid yellow. It will last a while, then suddenly it will go off and no indicators are on the dashboard. I have gone to the dealer many times but if I go and there are no indicators visible then they say that they can’t diagnose the issue. What is the issue?
What makes this problem better or worse?
Honestly I am not even sure. There is no rhyme or reason. It just comes on and off now.
How long has your 2017 Acura TLX had this problem?
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Hello, sounds like a whole lot of warning indicators. When they illuminate one of two things is happening: a fault is occurring from a component causing multiple warnings. Or, the system's reference voltage, driven from the battery as it is in the vehicle and being continuously recharged, is too low to ensure all systems continue operating in a proper fashion.
Hands on testing is needed. It is NOT true that indicators need to be on to diagnose the concern if the concern was recent and testing is being performed with a diagnostic tool capable of retrieving "memory" codes set when the malfunction occurred. These can be retrieved even without warning lights actively illuminated - on the condition that no one else "cleared" these codes in the meantime.
If there are indeed no codes, or the codes do not indicate an "active" fault, then yes, you'll need to have some extended road done, testing and trying to duplicate the conditions described.
