IHKA: Control module

The IHKA control module activates the electrical steering column calibration. The IHKA control module is supplied with voltage via terminal 30 G (with 20 A fuse). The IHKA control module is activated via the wake-up line (terminal 15). The positions for the steering column memory are also saved in the IHKA control module.

Fig 1: Identifying IHKA Control Module

Courtesy of BMW OF NORTH AMERICA, INC.