Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Steering Control Module: Description and Operation

POWER STEERING CONTROL MODULE
The control module is part of the steering column and not serviceable separately. The EPAS system is managed by the power steering control module. The control module receives information from the PCM via the HS_CAN bus and the steering shaft torque sensor. The control module provides greater assist at lower speed and lower assist at higher speed.