Diagnostic Test

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

CHECK FOR ACTIVE DTC
1. With the scan tool, read the active DTC.
2. Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds.
3. With the scan tool, read the active DTC.
  Does the scan tool display this DTC as 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 BODY VERIFICATION TEST .
POWERTRAIN CONTROL MODULE (PCM)
1. Turn the ignition off.
2. Disconnect the PCM C1 or C2 (6.7L) harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 3.
  No
  - Replace the PCM in accordance with the Service Information.
  - Perform the appropriate POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST , or POWERTRAIN VERIFICATION TEST - 6.7L .
(F202) IGNITION RUN/START CONTROL OUTPUT CIRCUIT SHORTED TO GROUND

Fig 1: Checking Ignition Run/Start Control Output Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C1 harness connector.
3. Measure the resistance between ground and the (F202) Ignition Run/Start Control Output circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the short to ground in the (F202) Ignition Run/Start Control Output circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the TIPM in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .