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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 ((40/41TE Automatic Transmission - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> P0944-Loss Of Hydraulic Pump Prime >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. 1)  CHECK TO SEE IF DTC P0944 IS CURRENT 

    Place the gear selector in park.

    Start the engine.

    NOTE: The Transmission Temperature must be at least 43° C (110° F) before performing the following steps.

    The Transmission must be at operating temperature prior to checking pressure. Cold transmission fluid will result in higher pressure readings.

    Place the Transmission in Reverse.

    With the scan tool, observe the Transmission Pressure Switch states.

    Are any of the Pressure Switches closed? 

    Yes 

    1. Go To step  2).

    No 

    1. Go To step  4).
  2. 2)  INTERMITTENT OPERATION 

    The conditions necessary to set this DTC are not present at this time.

    Test drive the vehicle. Allow the Transmission to shift through all gears and ranges.

    Was a delayed engagement and/or a no drive condition present during the test drive? 

    Yes 

    1. Go To step  4).

    No 

    1. Go To step  3).
  3. 3)  INTERMITTENT WIRING AND CONNECTORS 

    The conditions necessary to set this DTC are not present at this time.

    Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.

    Wiggle the wiring while checking for shorted and open circuits.

    With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set.

    Were there any problems found? 

    Yes 

    1. Repair as necessary.
    2. Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1  .

    No 

    1. Test Complete.
  4. 4)  SHIFT LEVER POSITION TEST 

    With the scan tool, perform a Shift Lever Position test. Follow the instructions on the screen.

    Did the Shift Lever Position Test pass? 

    Yes 

    1. Go To step  5).

    No 

    1. Perform the diagnostic procedure for P0706-TRANSMISSION RANGE SENSOR RATIONALITY .
    2. Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1  .
  5. 5)  CHECK FOR PLUGGED TRANSMISSION FILTER 

    Remove the Transmission Pan and inspect the Transmission Fluid and Transmission Filter per the Service Information.

    Does the Transmission Oil Pan contain excessive debris and/or is the Oil Filter plugged? 

    Yes 

    1. Repair the cause of the plugged Transmission Filter. Refer to the Service Information for the proper repair procedure.
    2. Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1  .

    No 

    1. Go To step  6).
  6. 6)  TRANSMISSION OIL PUMP 

    If there are no possible causes remaining, view repair. 

    Repair 

    1. Replace the Transmission Oil Pump per the Service Information.
    2. Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1  .
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