This bulletin applies to 2019 Acura RDX AWD vehicles. The engine may idle rough on cold starts.
Acura Brake Pedal Update
If a customer complains of a soft brake pedal or excessive brake pedal travel on a 2019 Acura RDX, be aware that an updated electric brake booster (EBB) software is available. Update the EBB software using i-HDS software version 1.004.064 or later.