How To Pull Codes From 1997 Dodge Ram 2500 Without Scanner?

SOME HVAC FIXES FOR 2002 dodge ram 2500 and this is think is the same for all second gen heater boxes... HEAT TO COLD If you only have heat or only have cold air its the heater blend door actuator.... note after replacement, you have to calibrate, you can do this manually or with the scanner.Otherwise, it can break the door or the actual actuator. BLOWER MOTOR ONLY WORKS ON HIGH Then if your blower motor works but only on high its the lower motor resistor and that right next door to the mode doo

Dodge Ram 2500 Won't Start? Expert Troubleshooting Guide