When Monitored And Set Conditions

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored: continuously when the following condition is met:

Ignition on.

Set Conditions:

When the In-Car Temperature Sensor signal to the A/C Heater Module is greater than 4.9 volts for a continuous period of 1200 msec. or more.

Default Actions:

If the A/C Heater Module detects a valid signal, the DTC will change from active to stored and will stay stored for 100 ignition cycles.

Possible Causes
IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
IN-CAR TEMPERATURE SENSOR
A/C HEATER MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to STANDARD PROCEDURE .