Set Condition
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The A/C Heater Module detects less than 0.09 volts on the Mixing Chamber Temperature Sensor Signal circuit for a period of two seconds or more. If the A/C Heater Module detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.