Chrysler Town and Country 2003 Owner's Manual page 541

ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE - MTC —
Continued
RECIRC CIRCUIT SHORTED TO IGN OR BATT - MTC
When Monitored: When the Actuator Circuit Test is executed.
Set Condition: This message will set if the A/C - Heater Control detects a short high on
the Recirculation Door Driver circuit.
SHORT TOO COMPLEX - MTC
When Monitored: When the Actuator Circuit Test is executed.
Set Condition: This message will set if the A/C - Heater Control detects more than three
drivers being shorted in the same direction (for example, four drivers, all shorted to
ground) or if two or more drivers are shorted with at least one driver shorted to
ignition/battery and one driver shorted to ground.
ZONE CIRCUIT SHORTED TO GROUND - MTC
When Monitored: When the Actuator Circuit Test is executed.
Set Condition: This message will set if the A/C - Heater Control detects a short low on the
Driver (Zone) Blend Door Driver circuit.
ZONE CIRCUIT SHORTED TO IGN OR BATT - MTC
When Monitored: When the Actuator Circuit Test is executed.
Set Condition: This message will set if the A/C - Heater Control detects a short high on
the Driver (Zone) Blend Door Driver circuit.
DOOR DRIVER CIRCUIT SHORTED LOW
DOOR ACTUATOR SHORTED
DOOR DRIVER CIRCUIT SHORTED HIGH
A/C - HEATER CONTROL MODULE
INTERMITTENT WIRING PROBLEM
DOOR DRIVER CIRCUITS SHORTED HIGH
DOOR DRIVER CIRCUITS SHORTED LOW
DOOR DRIVER CIRCUITS SHORTED TOGETHER
DOOR DRIVER CIRCUITS SHORTED TO COMMON DOOR DRIVER CIRCUIT
DOOR ACTUATORS SHORTED
A/C - HEATER CONTROL MODULE
INTERMITTENT WIRING PROBLEM
POSSIBLE CAUSES
517
HEATING & A/C