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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 512 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 40TE Automatic Transmission) >> DTC Troubleshooting >> P1775-Solenoid Switch Valve Latched In TCC Position >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. DETERMINING IF RELATED DTCS ARE PRESENT 
    1. With the scan tool, read transmission DTCs.

      Is the DTC P0841 present also?

      Yes 

      No 

      • Go To  2
  2. CHECK TO SEE IF DTC P1775 IS CURRENT 
    1. With the scan tool, read transmission DTCs.

      Is the status Active or is the Starts Since Set counter 2 or less for this DTC?

      Yes 

      • Go To  3

      No 

      • Go To  8
  3. PCM AND WIRING 
    1. Turn the ignition off to the lock position.
    2. Remove the Ignition Switch Feed fuse from the TIPM.
      CAUTION:

      Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear.

      WARNING:

      The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury.

    3. Install the Transmission Simulator (special tool #8333B, Simulator, Transmission) and the Electronic Transmission Adapter kit.
    4. Ignition on, engine not running.
    5. With the Transmission Simulator, turn the Pressure Switch selector switch to L/R.
    6. With the scan tool, monitor the L/R Pressure Switch State while pressing the Pressure Switch Test button.

      Did the Pressure Switch state change from open to closed when the test button was pressed?

      Yes 

      • Remove the valve body accordance with the Service Information. Inspect the Solenoid Switch Valve in accordance with the Service Information and repair or replace as necessary. If no problems are found, replace the Transmission Solenoid/Pressure Switch Assembly.
      • Perform the 40/41TE VERIFICATION TEST. Refer to 40/41TE TRANSMISSION VERIFICATION TEST  .

      No 

      • Go To  4
  4. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN 
    Fig 1: Checking Transmission Control Output Circuit For An Open
    GC0150307Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Disconnect the Transmission Simulator (special tool #8333B, Simulator, Transmission) and the Electronic Transmission Adapter kit.
    3. Disconnect the PCM C1 harness connector.
    4. Ignition on, engine not running.
    5. With the scan tool under TIPM, actuate the Transmission.
    6. Using a 12-volt test light connected to ground, check all (T16) Transmission Control Output circuits in the PCM C1 harness connector.
      NOTE:

      The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly on all Transmission Control Relay Output circuits?

      Yes 

      No 

      • Go To  5
  5. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 2: Checking L/R Pressure Signal Circuit For A Short To Voltage
    GC0149994Courtesy of CHRYSLER GROUP, LLC
    1. Ignition on, engine not running.
    2. While still actuating the TCM output in the TIPM with the scan tool, measure the voltage of the (T50) L/R Pressure Signal circuit.

      Is the voltage above 0.5 of a volt?

      Yes 

      No 

      • Go To  6
  6. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR AN OPEN 
    Fig 3: Checking L/R Pressure Signal Circuit For An Open
    GC0149992Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Disconnect the PCM C1 harness connector.
    3. Measure the resistance of the (T50) L/R Pressure Signal circuit between the PCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector.

      Is the resistance above 5.0 Ohms?

      Yes 

      No 

      • Go To  7
  7. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO GROUND 
    Fig 4: Checking L/R Pressure Signal Circuit For A Short To Ground
    GC0149993Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between ground and the (T50) L/R Pressure Signal circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

      No 

      • 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 and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn.
      • Perform the 40/41TE VERIFICATION TEST. Refer to 40/41TE TRANSMISSION VERIFICATION TEST  .
  8. CHECK WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Test drive and verify if the transmission is launching in 2nd gear and/or no TCC engagement.
    3. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.

      Are there 2nd gear launches and/or no TCC engagement?

      Yes 

      • Disassemble and inspect the Valve Body in accordance with the Service Information and repair or replace as necessary. If no problems are found in the Valve Body, replace the Transmission Solenoid Pressure Switch Assembly.
      • Perform the 40/41TE VERIFICATION TEST. Refer to 40/41TE TRANSMISSION VERIFICATION TEST  .

      No 

      • Test Complete.
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