biggus,

your scan should show some 'result' for 77....like this scan I prepared earlier
Chassis Type: 6N0
Scan: 01 02 03 05 08 09 15 16 17 19 22 37 46 56 68 69 76 77

VIN: WVGZZZ7LZ7D076754 Mileage: 105790km/65734miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: OK 0000
22-AWD -- Status: OK 0000
37-Navigation -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
68-Wiper Electr. -- Status: OK 0000
69-Trailer -- Status: Malfunction 0010
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: Malfunction 0010
77-Telephone -- Status: Malfunction 0010