Diagnostic Test

ENGINE DTCs PRESENT
1. With the scan tool, read Engine DTCs.
  Are there any Engine brake DTCs present?
  
  Yes
  - Refer to the DTC INDEX and perform the appropriate diagnostic procedure.
  - Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 2
WIRELESS IGNITION NODE (WIN) DTCS PRESENT
1. With the scan tool, read Wireless Ignition Node (WIN) DTCs.
  Are there any Wireless Ignition Node (WIN) DTCs present?
  
  Yes
  - Refer to the DTC INDEX and perform the appropriate diagnostic procedure.
  - Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
(K321) BTSI CONTROL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Brake Transmission Shift Interlock Control Circuit For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off to the lock position.
2. Disconnect the Shifter Lever Assembly harness connector.
3. Disconnect the Wireless Ignition Node (WIN) harness connector.
4. Turn the ignition on.
  NOTE:
  Check connectors - Clean/repair as necessary.
5. Measure the voltage between ground and the (K321) BTSI Control circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (K321) BTSI Control circuit for a short to voltage.
  - Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
SHIFTER LEVER ASSEMBLY
1. Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits.
  Repair
  - Replace the Shifter Lever Assembly in accordance with the Service Information. Refer to SHIFTER, TRANSMISSION, REMOVAL .
  - Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .