Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, record and erase any Electronic Overhead Module DTCs.
3. Turn the ignition off, wait 30 seconds then turn the ignition on.
4. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs. Refer to:
    - SYSTEM WIRING DIAGRAMS for 300.
    - SYSTEM WIRING DIAGRAMS for Charger.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK COMMUNICATION TO THE TIPM
1. With the scan tool, check to see if the TIPM is active on the bus.
  Is the scan tool able to communicate with the TIPM?
  
  Yes
  - Replace the Electronic Overhead Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Refer to the symptom list for problems related to Communication. Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing .
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .