Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
1. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 30 seconds.
2. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. If the DTC is stored, check for an intermittent condition. Inspect the run/start relay (22) for proper fit. Look for pushed out or corroded terminals at the relay socket.
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE RUN/START RELAY (22)
1. Turn the ignition off.
2. Remove the run/start relay (22) and substitute it with a known good relay.
3. Start the engine.
4. Allow the engine to idle for 1 minute.
5. With the scan tool, read the active DTCs.
  Does the scan tool display DTC: B2105-IGNITION RUN/START 1 CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the TIPM in accordance with the Service Information.
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the run/start relay (22).
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .