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Symptom List: A/C SWITCH FAULT (STORED) TEMPERATURE SENSOR CIRCUIT OPEN (STORED) TEMPERATURE SENSOR CIRCUIT SHORTED (STORED) Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be A/C SWITCH FAULT (STORED). When Monitored and Set Condition: A/C SWITCH FAULT (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C on/off switch stays closed for 10 minutes. BACKLIGHT DIMMING RX FAILURE (STORED) When Monitored: With the ignition on. Set Condition: If the A/C - Heater Control Module does not receive the dimming function message from the Instrument Cluster for more than 5 seconds, then the A/C - Heater BLEND OVERCURRENT (STORED) When Monitored: When actuator movement is requested. Set Condition: All (Blend, Mode, and Recirc) Overcurrent DTCs will set if the A/C - Heater Control Module detects an excessive current draw on the Common Door Drive 189 HEATING & A/C |