Operation CHARM: Car repair manuals for everyone.
Home >> Dodge and Ram >> 2004 >> Caravan L4-2.4L VIN B >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Heating & A/C System >> Blend/Mode/Recirc Door Operation Improper
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Blend/Mode/Recirc Door Operation Improper

Test 1 - 2:




Test 3 - 5:




Test 6 - 8:




Test 9:






SYMPTOM
BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- DUAL & THREE-ZONE MTC

POSSIBLE CAUSES
- Check for active HVAC DTCs
- Check for HVAC door recalibration fault messages
- Mode door actuator/linkage/door
- Passenger blend door actuator/linkage/door
- Driver blend door actuator/linkage/door
- Recirculation door actuator/linkage/door
- Rear mode door actuator/linkage/door
- Rear blend door actuator/linkage/door

pro multis · About Operation CHARM