Dodge Ram 2004 - Blend;Mode;Recirc Door Operation Improper Single-Zone

Symptom:
*BLEND/MODE/RECIRC DOOR OPERATION IMPROPER --
SINGLE-ZONE
POSSIBLE CAUSES
CHECK FOR ACTUATOR CIRCUIT TEST FAULT MESSAGES
CHECK FOR ACTIVE HVAC DTCS
CHECK FOR HVAC DOOR RECALIBRATION FAULT MESSAGES
MODE DOOR ACTUATOR(S)/LINKAGE(S)/DOOR(S)
BLEND DOOR ACTUATOR/LINKAGE/DOOR
RECIRCULATION DOOR ACTUATOR/LINKAGE/DOOR
TEST ACTION APPLICABILITY
1 NOTE:All Actuator Circuit Test fault messages and Overcurrent DTCs must
be repaired before diagnosing Calibration fault messages.
Turn the ignition on.
With the DRBIIIt in HVAC, System Tests, actuate the Actuator Circuit Test.
Does the DRBIIIt display any Actuator Circuit Test fault messages?
All
Yes → Return to the symptom list and choose the symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 NOTE:All Actuator Circuit Test fault messages and Overcurrent DTCs must
be repaired before diagnosing Calibration fault messages.
Turn the ignition on.
With the DRBIIIt, read active HVAC DTCs.
Does the DRBIIIt display any active HVAC DTCs?
All
Yes → Return to the symptom list and choose the symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 NOTE:All Actuator Circuit Test fault messages and Overcurrent DTCs must
be repaired before diagnosing Calibration fault messages.
Turn the ignition on.
With the DRBIIIt in HVAC, System Tests, actuate the HVAC Door Recalibration
Test.
Does the DRBIIIt display any HVAC Door Recalibration fault messages?
All
Yes → Return to the symptom list and choose the symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 4
405
HEATING & A/C