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Symptom List:
BLEND OVERCURRENT (ACTIVE) - MTC
MODE OVERCURRENT (ACTIVE) - MTC
REAR BLEND OVERCURRENT (ACTIVE) - MTC
REAR MODE OVERCURRENT (ACTIVE) - MTC
RECIRC OVERCURRENT (ACTIVE) - MTC
ZONE OVERCURRENT (ACTIVE) - MTC
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be BLEND OVERCURRENT (AC-
TIVE) - MTC.
When Monitored and Set Condition:
BLEND OVERCURRENT (ACTIVE) - MTC
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 passenger
blend door actuator. Only one overcurrent DTC can set per ignition cycle.
MODE OVERCURRENT (ACTIVE) - MTC
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.
Only one overcurrent DTC can set per ignition cycle.
REAR BLEND OVERCURRENT (ACTIVE) - MTC
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.
Only one overcurrent DTC can set per ignition cycle.
REAR MODE OVERCURRENT (ACTIVE) - MTC
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.
Only one overcurrent DTC can set per ignition cycle.
RECIRC OVERCURRENT (ACTIVE) - MTC
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.
Only one overcurrent DTC can set per ignition cycle.
531
HEATING & A/C
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