LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2008 >> Compass Limited, AWD, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (DTCS U110F To U1418 (Gas)) >> U1120-Lost Wheel Distance Message >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) receives the vehicle speed signal over the CAN C bus from the Anti-Lock Brake Module.