Symptom Related Diagnostic Procedures
"SERVICE RIDE CONTROL" MESSAGE DISPLAYED, NO RSS CODES SETWiring Diagram:
DESCRIPTION: If any of the following conditions are present, a "SERVICE RIDE CONTROL" message will be displayed, but no RSS codes will be set:
^ Loss of battery feed
^ Loss of ignition feed
^ Loss of system ground
^ Loss of UART interface
NOTE: Each of the above conditions may cause an IPC code I039.
NOTES ON FAULT TREE:
(1) Refer to "Notes on Intermittents".
(2) Refer to DTC IO39.
(3) Refer to "Clearing Diagnostic Trouble Codes".
IMPORTANT: DO NOT BACKPROBE SENSORS, DAMPERS, OR ELC/SSS CONNECTORS WHEN ALL DIAGNOSIS AND REPAIRS ARE COMPLETE, CLEAR CODES AND VERIFY OPERATION.