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Jeep
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2015
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Compass Limited, AWD, Automatic Trans
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Repair and Diagnosis
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Steering
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Steering Control Systems
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(Steering Control Module (SCM) - Electrical Diagnostics)
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DTC Troubleshooting
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U0121-Lost Communication With Abs
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
Engine run time greater than three seconds.
Battery voltage between 9.0 and 16.0 volts.