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Home › Dodge and Ram › 2008 › Challenger › Repair and Diagnosis › Steering › Steering Control Systems › Steering Control Module (SCM) - Electrical Diagnostics › DTC Troubleshooting › U0121-Lost Communication With Anti-Lock Brake System (Abs) Control Module › Set Condition:

Set Condition:

Bus messages not received from the ABS module for approximately 2 to 5 seconds.

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