Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK IF DTC P0890 IS PRESENT
1. With the scan tool, view DTCs.
  Is the status Active for this DTC or is the Starts Since Set counter set at 0?
  
  Yes
  - Go To 2.
  No
  - Go To 7.
(T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking OD Pressure Signal Circuit For A Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off to the lock position.
2. Disconnect the PCM C1 harness connector.
3. Disconnect the Transmission Solenoid/TRS Assembly harness connector.
4. Remove the PCM/TCM relay and with a fused jumper wire, jumper the Transmission Control Output to B(+).
5. Ignition on, engine not running.
6. Measure the voltage of the (T9) OD Pressure Signal circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T9) OD Pressure Signal circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Go To 3.
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking 2/4 Pressure Signal Circuit Shorted To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (T47) 2/4 Pressure Signal circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T47) 2/4 Pressure Signal circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Go To 4.
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 3: Checking L/R Pressure Signal Circuit Shorted To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (T50) L/R Pressure Signal circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T50) L/R Pressure Signal circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Go To 5.
(T83) DC PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 4: Checking DC Pressure Signal Circuit Shorted To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (T83) DC Pressure Signal circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T83) DC Pressure Signal circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Go To 6.
(T81) LC PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 5: Checking LC Pressure Signal Circuit Shorted To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (T81) LC Pressure Signal circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T81) LC Pressure Signal circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits. Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL . With the scan tool perform Quick Learn.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
CHECK THE 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 wiring and connectors while checking for shorted and open circuits.
4. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Refer to STANDARD PROCEDURE and perform the 62TE VERIFICATION TEST .
  No
  - Test Complete.