7524 SPN Fault Code

Name:

Aftertreatment 1 SCR System 2 State

Description:

Actual state of SCR system 2 0000b = Dormant (sleep mode) 0001b = Preparing dosing readiness (wake up; prepare to operate; wait for start) 0010b = Normal dosing operation 0011b = System error pending 0100b = Purging (SCR dosing system is removing residual DEF from system prior to shutdown) 0101b = Protect mode against heat (pressure buildup) 0110b = Protect mode against cold (defreeze) 0111b = Shutoff (wait for after-run) 1000b = Diagnosis (after-run) 1001b = Service test mode, dosing allowed 1010b = Service test mode, dosing not allowed 1011b = Ok to Power Down (SCR dosing system has complete housekeeping and power may safely be removed.) 1100b = Priming (Pressure Buildup) 1101b = Reserved for future assignment by SAE 1110b = Error 1111b = Not available

7524 spn fault code name is Aftertreatment 1 SCR System 2 State. If you don't take the time to look into 7524 spn fault when it arises, it can add up quickly. One small issue like 7524 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 7524 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.

7524 SPN Fault Code

Name:

Description:

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