Fault Codes:Caterpillar General CID3127
Fault Description:
Post-treatment #1 DEF tank #2 heater coolant diverter solenoid valve
Fault Cause:
CID (Component Identifier) : A diagnostic code used to notify maintenance personnel of a fault detected in a specific circuit or system. The CID-FMI diagnostic code is used to describe the detected faults rather than the root causes.
