Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. Apply the brake pedal.
3. With the scan tool, read DTCs.
  Does the scan tool display this DTC as an active?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE BCM FOR CORRECT OPERATION
1. Turn the ignition off to the lock position.
2. Disconnect the Shifter Lever Assembly (ESM equipped vehicles) harness connector.
3. Disconnect the BTSI Solenoid (non-ESM equipped vehicles) harness connector.
4. Turn the ignition on.
5. Using a 12-volt test light connected to ground, check the (K321) BTSI Control circuit at the Shifter Lever Assembly C2 harness connector.
6. With the scan tool, actuate the BTSI Solenoid.
  Does the test light illuminate brightly on and off while cycling the actuator?
  
  Yes
  - Replace the Shifter Lever Assembly (ESM equipped vehicles) in accordance with the Service Information.
  - Replace the BTSI Solenoid (non-ESM equipped vehicles) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (K321) BTSI CONTROL CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the BCM E harness connector.
3. Measure the resistance between ground and the (K321) BTSI Control circuit.
  Is the resistance above 10k Ohms?
  
  Yes
  - Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the short to ground in the (K321) BTSI Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .