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Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored:

Set Condition:



Possible Causes 
(T813) LINEAR SOLENOID 1 CONTROL CIRCUIT OPEN
(T813) LINEAR SOLENOID 1 CONTROL CIRCUIT SHORT TO GROUND
(T813) LINEAR SOLENOID 1 CONTROL CIRCUIT SHORT TO VOLTAGE
(T813) LINEAR SOLENOID 1 CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT
(T812) LINEAR SOLENOID 1 GROUND CIRCUIT OPEN
(T812) LINEAR SOLENOID 1 GROUND CIRCUIT SHORT TO GROUND
(T812) LINEAR SOLENOID 1 GROUND CIRCUIT SHORT TO VOLTAGE
(T812) LINEAR SOLENOID 1 GROUND CIRCUIT SHORT TO ANOTHER CIRCUIT
LINEAR SOLENOID 1
TRANSMISSION CONTROL MODULE (TCM)

Always perform the AS68RC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  Standard Procedure  . 



  1. CHECK IF DTC IS CURRENT 
    1. Using the scan tool, read TCM DTCs.
    2. Record the Environmental Data and any DTCs.
    3. Clear DTCs.
    4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. Read TCM DTCs.

      Did the DTC reset?

      Yes 

      • Go To  2.

      No 

      • Go To  11.
  2. CHECK THE (T813) LINEAR SOLENOID 1 CONTROL CIRCUIT FOR AN OPEN 
    Fig 1: Checking Linear Solenoid 1 Control Circuit For An Open
    GC0111563Courtesy of CHRYSLER LLC
    1. Turn the ignition off to the lock position.
    2. Disconnect the Transmission Solenoid Assembly C1 harness connectors.
    3. Disconnect the TCM C3 harness connector.
      NOTE:

      Check connectors - Clean/repair as necessary.

    4. Measure the resistance of the (T813) Linear Solenoid 1 Control circuit between the Transmission Solenoid Assembly C1 harness connector and the TCM C3 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  3.

      No 

      • Repair the (T813) Linear Solenoid 1 Control circuit for an open.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .
  3. CHECK THE (T813) LINEAR SOLENOID 1 CONTROL CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Checking Linear Solenoid 1 Control Circuit For A Short To Ground
    GC0111564Courtesy of CHRYSLER LLC
    1. Measure the resistance between ground and the (T813) Linear Solenoid 1 Control circuit.

      Is the resistance below 100k Ohms?

      Yes 

      • Repair the (T813) Linear Solenoid 1 Control circuit for a short to ground.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  4.
  4. CHECK THE (T813) LINEAR SOLENOID 1 CONTROL CIRCUIT SHORT TO VOLTAGE 
    Fig 3: Checking Linear Solenoid 1 Control Circuit Short To Voltage
    GC0111565Courtesy of CHRYSLER LLC
    1. Ignition on, engine not running.
    2. Measure the voltage of the (T813) Linear Solenoid 1 Control circuit.

      Is the voltage above 0.5 volt?

      Yes 

      • Repair the (T813) Linear Solenoid 1 Control circuit for a short to voltage.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  5.
  5. CHECK THE (T813) LINEAR SOLENOID 1 CONTROL CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT 
    Fig 4: Checking Linear Solenoid 1 Control Circuit For A Short To Another Circuit
    GC0111566Courtesy of CHRYSLER LLC
    1. Turn the ignition off to the lock position.
    2. Measure the resistance between the (T813) Linear Solenoid 1 Control circuit and all other circuits in the Transmission Solenoid Assembly C1 harness connector.

      Is the resistance below 100k Ohms between the (T813) Linear Solenoid 1 Control circuit and any other circuit in the Transmission Solenoid Assembly harness connector?

      Yes 

      • Repair the (T813) Linear Solenoid 1 Control circuit for a short to another circuit(s).
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  6.
  6. CHECK THE (T812) LINEAR SOLENOID 1 GROUND CIRCUIT FOR AN OPEN 
    Fig 5: Checking Linear Solenoid 1 Ground Circuit For An Open
    GC0111567Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (T812) Linear Solenoid 1 Ground circuit between the Transmission Solenoid Assembly C1 harness connector and the TCM C3 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  7.

      No 

      • Repair the (T812) Linear Solenoid 1 Ground circuit for an open.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .
  7. CHECK THE (T812) LINEAR SOLENOID 1 GROUND CIRCUIT FOR A SHORT TO GROUND 
    Fig 6: Checking Linear Solenoid 1 Ground Circuit For A Short To Ground
    GC0111568Courtesy of CHRYSLER LLC
    1. Measure the resistance between ground and the (T812) Linear Solenoid 1 Ground circuit.

      Is the resistance below 100k Ohms?

      Yes 

      • Repair the (T812) Linear Solenoid 1 Ground circuit for a short to ground.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  8.
  8. CHECK THE (T812) LINEAR SOLENOID 1 GROUND CIRCUIT SHORT TO VOLTAGE 
    Fig 7: Checking Linear Solenoid 1 Ground Circuit Short To Voltage
    GC0111569Courtesy of CHRYSLER LLC
    1. Ignition on, engine not running.
    2. Measure the voltage of the (T812) Linear Solenoid 1 Ground circuit.

      Is the voltage above 0.5 volt?

      Yes 

      • Repair the (T812) Linear Solenoid 1 Ground circuit for a short to voltage.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  9.
  9. CHECK THE (T812) LINEAR SOLENOID 1 GROUND CIRCUIT SHORT TO ANOTHER CIRCUIT 
    Fig 8: Checking Linear Solenoid 1 Ground Circuit Short To Another Circuit
    GC0111570Courtesy of CHRYSLER LLC
    1. Turn the ignition off to the lock position.
    2. Measure the resistance between the (T812) Linear Solenoid 1 Ground circuit and all other circuits in the Transmission Solenoid Assembly C1 harness connector.

      Is the resistance below 100k Ohms between the (T812) Linear Solenoid 1 Ground circuit and any other circuit in the Transmission Solenoid Assembly C1 harness connector?

      Yes 

      • Repair the (T812) Linear Solenoid 1 Ground circuit for a short to another circuit(s).
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  10.
  10. CHECK THE LINEAR SOLENOID 1 
    Fig 9: Checking Linear Solenoid 1 Circuits
    GC0111571Courtesy of CHRYSLER LLC
    1. Turn the ignition off to the lock position.
    2. Reconnect the Transmission Solenoid Assembly C1 Harness connector.
    3. Measure the resistance between the (T813) Linear Solenoid 1 Control and the (T812) Linear Solenoid 1 Ground circuit on the appropriate terminals of the TCM C3 harness connector.

      Is the resistance of the Linear Solenoid 1 5.5 Ohms (± 0.5 of an Ohm)?

      Yes 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
      • Perform AS68RC VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Replace the Linear Solenoid 1 in accordance with the Service Information.
  11. CHECK WIRING AND CONNECTORS 
    1. The conditions necessary to set the DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wires while checking for shorted and open circuits.
    4. Check for any Service Bulletins that may apply.

      Were there any problems found?

      Yes 

      No 

      • Test Complete.
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