DTC P0601-Internal Memory Checksum Invalid: Notes

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article.

• When Monitored: 

  With the ignition on. 

• Set Condition: 

  Internal checksum for software failed, does not match calculated value. One Trip Fault, Three Good Trips to clear. 

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.