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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 >> P0123-TPS/App Circuit High >> Diagnostic Test

Diagnostic Test

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  1. 1)  DETERMINING IF RELATED ENGINE TPS DTCS ARE PRESENT  

    With the scan tool, check Engine DTCs, including pending DTCs and one trip failures.

    Are there any Engine TPS DTCs present? 

    Yes 

    1. Refer to appropriate ENGINE ELECTRICAL DIAGNOSTICS article and perform the appropriate diagnostic procedure.
    2. Refer to DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure(s).

    No 

    1. Go To step  2).
  2. 2)  CHECK TO SEE IF DTC IS CURRENT  

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

    With the scan tool, erase Transmission DTCs.

    NOTE: To erase EVENT DATA information, a BATTERY DISCONNECT must be performed. Performing a BATTERY DISCONNECT will reset all learned Transmission values to controller defaults which may lead to erratic shift schedules.

    Drive the vehicle and try to duplicate the conditions in which the DTC was reported by the DTC EVENT DATA.

    With the scan tool, read Transmission DTCs.

    Does this DTC reset? 

    Yes 

    1. Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace the PCM per the Service Information. With the scan tool, perform QUICK LEARN.
    2. Perform 40/41 TE TRANSMISSION VERIFICATION TEST - VER 1  .

    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 wires while checking for shorted and open circuits.

    Pay particular attention to the TPS signal and sensor ground circuits.

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

    Check for any Service Information Tune-ups or Service Bulletins for any possible causes that may apply.

    Were there any problems found? 

    Yes 

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

    No 

    1. Test Complete.
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