Changsha Cunwei Completes Engine Fault Diagnosis Service for Emergency Power Supply Vehicle

Cummins INSITE accurately reads fault codes to ensure reliable operation of emergency power supply equipment.

On August 25, the professional service team of Changsha Cunwei Import and Export Co., Ltd. went to the site to provide engine fault code diagnosis and maintenance services for an emergency power supply vehicle. The team used the dedicated Cummins INSITE diagnostic tool to connect to the engine electronic control unit, read and analyze fault codes, and conducted troubleshooting combined with circuit measurement. The fault was finally repaired. The equipment passed on-site inspection and returned to emergency standby status.

Upon arriving at the substation, technicians first performed a preliminary inspection of the emergency power supply vehicle, then launched the Cummins INSITE diagnostic software and connected to the engine ECU via the J1939 communication protocol. After reading, the system displayed fault codes including SID 10, SPN 2512, FMI 2/6/67, indicating that this fault may cause difficult engine starting or abnormal operation, requiring further troubleshooting of relevant sensors and