Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Start the engine and allow it to reach operating temperature.
  WARNING:
  When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.
2. With the scan tool select View DTCs.
  NOTE:
  If the DTC does not reset it may be necessary to test drive the vehicle.
  
  Is the status Active for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
DTCS PRESENT IN THE TRANSMISSION CONTROL MODULE (TCM)
NOTE:
If the scan tool is unable to communicate with the TCM, or if there are related communication DTCs present, perform the appropriate diagnostic procedure.
1. Turn the ignition on.
2. With the scan tool, select View DTCs in the TCM.
  Are there any DTCs present in the TCM?
  
  Yes
  - Refer to DTC INDEX - 1500 and perform the appropriate diagnostic procedure.
  No
  - Go To 3
POWERTRAIN CONTROL MODULE (PCM)
1. Inspect the P/N signal circuit for a short to ground, or a short to voltage with the shifter in Drive or Reverse. Refer to appropriate diagnostic information and perform the appropriate diagnostic procedures.
2. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Transmission Range Sensor, the TCM, and the PCM.
3. Look for any chafed, pierced, pinched, or partially broken wires.
4. Look for broken, bent, pushed out or corroded terminals.
5. Perform any Technical Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .