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PCM COMMUNICATION FAILURE (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module does not receive the message from the PCM for more than 5 seconds. This message provides Engine RPM and RECIRC OVERCURRENT (STORED) When Monitored: When actuator movement is requested. Set Condition: This DTC will set if the A/C - Heater Control Module detects an excessive current draw on any of the door driver circuits while attempting to drive this actuator. RECIRC SWITCH FAULT (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the MAX on/off switch stays closed for 10 minutes. REFRIGERANT PRESS RX FAILURE (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module does not receive the Refrigerant Pressure message from the PCM for more than 20 seconds. TX FAILURE (STORED) When Monitored: When the ignition is on. Set Condition: This DTC will set if the A/C - Heater Control Module is unable to send a PCI Bus message. VIN RX FAILURE (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module does not receive the VIN message from the PCM for more than 5 seconds. ZONE OVERCURRENT (STORED) When Monitored: When actuator movement is requested. Set Condition: This DTC will set if the A/C - Heater Control Module detects an excessive current draw on any of the door driver circuits while attempting to drive the Driver Blend POSSIBLE CAUSES CHECK FOR ACTIVE HVAC DTCS AND SYSTEM TEST FAULT MESSAGES STORED CODE(S) TEST COMPLETE 365 HEATING & A/C A/C SWITCH FAULT (STORED) — Continued |