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Home >> Chrysler >> 2007 >> Aspen 4.7 N, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1573 To P2118 >> P1897-Level 1 Rpm Bus Unlock >> Diagnostic Test
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Diagnostic Test

  1. 1) POWERTRAIN CONTROL MODULE (PCM) 
    NOTE: Diagnose any CMP or CKP Sensor faults before continuing. Check for intermittent loose CMP or CKP connections.

    The Powertrain Control Module is reporting internal errors, view repair to continue. 

    Repair 

    1. Replace and program the Powertrain Control Module per Service Information.
    2. Perform POWERTRAIN VERIFICATION TEST .