Mack MR690S 8858 SPN Fault Code

Name:

Aftertreatment 1 SCR System Cleaning Incomplete

Description:

Indicates that a selective catalytic reduction (SCR) system cleaning event of the SCR system in bank 1 failed to complete within the expected duration.

Mack MR690S 8858 spn fault code name is Aftertreatment 1 SCR System Cleaning Incomplete. If you don't take the time to look into Mack MR690S 8858 spn fault when it arises, it can add up quickly. One small issue like Mack MR690S 8858 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 Mack MR690S 8858 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.

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