BUMPER AS-FRONT 4876805 - Caterpillar

Procedure To View The Fault Log
Note: For a list of all diagnostic codes, seeTesting And Adjusting, "Troubleshooting Diagnostic Codes".Note: Service Mode cannot be entered when the ECS is in the AUTO position.Note: Any active shutdown fault must be made inactive in order to access service mode. A FLASHING shutdown indicator indicates that a shutdown fault exists. To temporarily change a shutdown fault from an active shutdown fault to an inactive shutdown fault, turn the ECS to the OFF/RESET position. To permanently change a shutdown fault from an active shutdown fault to an inactive fault, the fault must not be occurring. The ECS must also be turned to the OFF/RESET position. If the jumper that electrically connects terminal 6 to terminal 9 is not installed on the ECS, then the GSC+ will not power up in OFF/RESET and any active shutdown fault must be corrected before entering service mode.
Press the "SERVICE MODE" key in order to enter Service Mode. "OP 1" is showing on the lower display. See Systems Operation, "Service Mode"for more information.
Press "SELECT" key. If more than one diagnostic code is present then the codes begin scrolling on the display. The number of occurrences is shown above the "COUNT" indicator. The lower display shows the value from the hour meter at the first occurrence and the last occurrence of each diagnostic code.
Press "SELECT" key. The diagnostic codes stop scrolling.
Press "SCROLL RIGHT" key. If more than one count of a diagnostic code is logged then the first occurrence with a corresponding value from the hour meter is showing on the lower display.
Press "SELECT" key. Diagnostic codes continue scrolling.
Press "EXIT" key. "OP 1" is showing on lower display.
Press "EXIT" key. The display is now in normal mode.