9821 SPN Fault Code

Name:

Generator Coolant Fan Controller Status Reason Code

Description:

Provides the reason code describing the unique failure of this Generator Coolant Fan Motor system or component.If a detailed reason code is not used by the supporting application, or this reason code is Not Available, the Generator Coolant Fan Service Indicator (SPN 9826) and Generator Coolant Fan Operating Status (SPN 9827) may be used to determine functional status of this Generator Coolant Fan mystem or component. 0000b = Normal Operation 0001b = Unable to Start 0010b = Over-Voltage Protection Shutdown 0011b = Under-Voltage Protection Shutdown 0100b = Over-Temperature Protection Shutdown 0101b = Speed Limited due to current (i.e. amperage) protection limit 0110b = Speed limited due to maximum system design capability (e.g. PWM control limit or physical limit of system) 0111b = Speed limited due to torque limit 1000b = Speed limited due to over-temperature protection 1001b = Reserved 1010b = Reserved 1011b = Reserved 1100b = Reserved 1101b = Reserved 1110b = Reserved 1111b = Not Avai

9821 spn fault code name is Generator Coolant Fan Controller Status Reason Code. If you don't take the time to look into 9821 spn fault when it arises, it can add up quickly. One small issue like 9821 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 9821 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

9821 SPN Fault Code

Name:

Description:

Similar SPN Codes :

Truck List With 9821 SPN Code :