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HOMESERVICE MANUALSDODGE AND RAM2023PROMASTER 3500 VAN CARGO EXTENDEDREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMS(HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS)STANDARD PROCEDUREHVAC VERIFICATION TEST
2023 Dodge and Ram ProMaster 3500 Van Cargo Extended

HVAC Verification Test

2023 Dodge and Ram ProMaster 3500 Van Cargo ExtendedSECTION HVAC Verification Test

Perform the following procedures to verify that the repair(s) are valid.

  1. Turn the ignition off to the lock position.
  2. Make sure that all accessories are turned off.
  3. Make sure that the battery is fully charged.
  4. Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
  5. With the scan tool, record and erase all Diagnostic Trouble Codes (DTCs) from ALL modules.
  6. Turn the ignition off, remove the scan tool from the DLC (Data Link Connector). Open the door and close the door. Wait a minimum 30 seconds, then turn the ignition on. Reconnect the scan tool.
    NOTE:

    Disconnecting the scan tool and opening and closing the door will allow the controller to enter into sleep mode.

  7. With the scan tool, perform the HVAC Actuator Calibration Test if an actuator or controller has been replaced or if software has been updated.
  8. Start and run the engine for two minutes while operating all functions of the system that caused the original concern.
  9. With the scan tool, check for DTCs in all modules.
    NOTE:

    If no HVAC DTCs are present and other modules are reporting DTCs, refer to the appropriate diagnostic information.

Is the original condition still present or are there any other HVAC DTCs present? 

Yes 

No 

  • Repair is complete.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.