Diagnostic Test

TEST FOR POOR CONNECTIONS OR INTERMITTENT CONDITIONS
1. Turn the ignition on.
2. With the scan tool, generate and record the Vehicle Scan Report.
3. With the scan tool, erase DTCs.
4. Turn the ignition off.
5. Wait 10 seconds.
6. Turn the ignition on and start the engine.
7. Operate the vehicle in different operation conditions.
8. With the scan tool, read Powertrain Control Module (PCM) DTCs.
  Did the DTC return?
  
  Yes
  - Go to 2
  No
  - The conditions that originally set this DTC are not present in the moment. Refer to the Wiring Information and check all related connectors for signs of water intrusion, corrosion, bent or spaced connectors and proper pin voltage. If no problem is found, the test is complete. Perform the TESTING FOR AN INTERMITTENT CONDITION. Diagnostics/Standard Procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE CAN C1 BUS
1. Perform the SCAN TOOL WILL NOT COMMUNICATE WITH CAN C. Refer to SCAN TOOL WILL NOT COMMUNICATE WITH CAN BUS .
  Is there any problem?
  
  Yes
  - Repair as needed. Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go to 3
CHECK THE TRANSMISSION CONTROL MODULE (TCM)
1. Perform the NO RESPONSE FROM TCM. Refer to STANDARD PROCEDURE .
  Is there any problem?
  
  Yes
  - Repair as needed. Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go to 4
CHECK POWERTRAIN CONTROL MODULE (PCM) HARNESS CONNECTIONS
1. Disconnect all Powertrain Control Module (PCM) harness connectors.
2. Disconnect all related in-line harness connectors (if equipped).
3. Disconnect all related systems harness connectors.
4. Check the harness and components connectors and the male female terminals for the following conditions
  - Proper connector installation.
  - Apparently damaged connectors lock.
  - Corrosion.
  - Water contact signs.
  - If the weatherproof protection is damaged (If equipped).
  - Bent terminals.
  - Overheating due to poor connection (terminal should be colorless due to overheat).
  - Terminals that have been damaged due to being pushed.
  - Perform a terminal drag test on each terminal to verify proper terminal tension.
5. Repair any damage found on step 4.
6. Reconnect all Powertrain Control Module (PCM) harness connectors. Make sure all the connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all the in-line harness connectors (if equipped). Make sure all the connectors are fully seated and the connector locks are fully engaged.
8. Reconnect all the harness related connectors. Make sure the connectors are fully seated.
9. With the scan tool, erase all DTCs.
10. Operate the vehicle in the conditions that set this DTC.
11. With the scan tool, read the Powertrain Control Module (PCM) DTCs.
  Did the DTC return?
  
  Yes
  - IF THE PROBLEM PERSISTS, CONTACT FCA SPECIALIZED SUPPORT.
  No
  - TEST COMPLETE.