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Home >> Chrysler >> 2009 >> PT Cruiser Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0730-Incorrect Gear Ratio >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR ENGINE CAM OR CRANK SENSOR DTCS 
    1. With the scan tool, read transmission DTCs.

      Is the DTC P0717-Input Speed Sensor 1 Circuit No Signal also present?

      Yes 

      • Go to and perform diagnostics for P0717.

      No 

      • Go to step  2
  2. REPAIR INTERNAL TRANSMISSION 
    1. This DTC indicates an internal transmission problem.
    2. Check for the following possible causes but not limited to these:
    • Step motor
    • Shift Valve sticking
    • CVT Belt slipping
    • Hydraulic control circuit including the Valve Body