GF40.15-P-2005T Detection of Pressure Loss, Function

GF40.15-P-2005T Detection of pressure loss, function
- with CODE (477) Tire pressure loss warning






Warning message





Reminder message

Function
The ESP, SPS [PML] and BAS control unit (N47-5) compares the 4 wheel speeds as a function of tire pressure. A learning phase follows reactivation. In this phase the relative rolling circumferences of the tires are taught in 6 different vehicle speed intervals. Tire pressure loss warning (RDW) is not active in this learn mode. The coordination of the individual intervals takes 10 minutes/interval. As of this point in time the FL and RR and FR and RL are compared with each other respectively.

Warning message
While driving, the tire pressure loss warning (RDW) has established that the rolling circumferences of the wheels have changed relative to each other (considerable pressure loss in a tire).

Reminder message
This message is displayed in the multifunction display (A1p13) after a red warning message, if tire pressure loss warning is not subsequently reactivated.