DTC B1B7D-77: Rear Air Distribution Actuator - Commanded position not reachable: Action
- Check the rear face/feet distribution motor for obstructions. Check that doors and linkages move freely and are free of any damage. Rectify as necessary
- Check all pins are seated correctly and free from damage or corrosion. If corrosion is noted, clean the pins using a suitable cleaning solution
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform routine - HVAC - Actuator(s) End Stop Detection (0x9006), if the routine passes, then retest. If the fault persists, install a new rear face/feet distribution motor