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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (DTCS B2368 To P128C (TIPM)) >> P128C-TCM Power Control Circuit 2 High >> 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 IF THE DTC IS ACTIVE 
    1. Ignition on, engine not running.
    2. With the scan tool, read TIPM DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go to step  2

      No 

      • Go to step  4
  2. (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT SHORT TO VOLTAGE 
    1. Turn the ignition off to the lock position.
    2. Disconnect the TIPM C10 harness connector.
    3. Disconnect the TCM C1 harness connector.
    4. Ignition on, engine not running.
    5. Measure the voltage of the (T16) Transmission Control Output circuit.

      Is the voltage above 10.0 volts?

      Yes 

      No 

      • Go to step  3
  3. TOTALLY INTEGRATED POWER MODULE 
    1. Using the schematics as a guide, inspect the wire harness and connectors.
    2. Check the TIPM harness connector terminals for corrosion, damage, or terminal push out.
    3. Pay particular attention to all power and ground circuits.

      Were there any problems found?

      Yes 

      No 

  4. CHECK THE WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
    3. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
    4. Look for the data to change or for the DTC to reset during the wiggle test.

      Were any problems found?

      Yes 

      No 

      • Test complete.