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Home >> Jeep >> 2013 >> Wrangler Sport, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 182 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0126-Lost Communication With Steering Angle Sensor (SCM) >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

The Steering Control Module (SCM) communicates with other controllers over the CAN C bus. The Drive Train Control Module (DTCM) continuously monitors the bus activity and receives the messages it needs. If the DTCM does not receive messages from the Steering Control Module (SCM) this fault will set.

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