I have a 2017 Rex (40k miles) and lost cabin heat. I have been trying to learn of a solution for 6 months without success. I do not want to take to a dealership who will charge for a visit and then guess at a $3,5k repair
Us a cheap OBDII reader and share the codes.. You'll help people with the info/results and people can better help you if they know more about the specifics.