Caterpillar: Clearing Diagnostic Trouble Codes

3100 HEUI, 3116, 3126, 3126B, C7, C9, C10, C11, C12, C13, C15, C16, 3176B & 3406E Engines
Caterpillar Driver information Display (Cat ID) System

Certain codes will be cleared from the ECM memory after 100 hours of engine operation. Other codes will require a suitable scan tool to clear the ECM memory.

Using Scan Tool

Certain codes will be cleared from the ECM memory after 100 hours of engine operation. Other codes may require a password to clear. Follow electronic service tool manufacturer's instruction to clear diagnostic trouble codes from the ECM memory.

3406B PEEC & 3176 Engines
Using Scan Tool

Follow electronic service tool manufacturer's instructions to clear DTCs from the ECM memory.