LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2000 >> EuroVan Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic A/C-Heater Systems >> Diagnostic Tests >> DTC 65535: CLIMATRONIC Control Module (CCM) Malfunction
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC 65535: CLIMATRONIC Control Module (CCM) Malfunction

  1. Check power supply connections to CCM. Check ground distribution to CCM. Correct any problems found and go to step  6 . See WIRING DIAGRAMS  . If no problem was found, go to next step.
  2. Test sunlight photo sensor. See READING MEASURING VALUE BLOCK  . Repair wiring circuit or replace faulty sensor and go to step  6 . If sunlight photo sensor is okay, go to next step.
  3. Test temperature regulator flap motor position sensor. See READING MEASURING VALUE BLOCK  . Repair wiring circuit or replace faulty sensor and go to step  6 . If regulator flap position sensor is okay, go to next step.
  4. Test central flap motor position sensor. See READING MEASURING VALUE BLOCK  . Repair wiring circuit or replace faulty sensor and go to step  6 . If central flap motor is okay, go to next step.
  5. Test footwell/defrost flap motor position sensor. Repair faulty circuit or replace faulty sensor. If footwell/defrost flap motor position sensor is okay, go to next step.
  6. Clear DTC memory. See CLEARING TROUBLE CODES  under SELF-DIAGNOSTICS. Check for any trouble codes. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTICS. If DTC still exists, replace A/C control module. See A/C-HEATER CONTROL HEAD/CLIMATRONIC CONTROL MODULE (CCM)  under REMOVAL & INSTALLATION. If DTC does not exist, system is okay at this time.
scientia non olet · About LEMON Manuals