LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2016 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> Steering >> Steering Control Systems >> (Steering Control Module (SCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-Lost Communication With Abs >> When Monitored
April 5, 2026: LEMON Manuals is launched! Read the announcement.

When Monitored

This diagnostic runs continuously when the following conditions are met:

scientia non olet · About LEMON Manuals