Peterbilt 520 3492 SPN Fault Code

Name:

Aftertreatment 1 Air System Relay

Description:

Indicates whether aftertreatment 1 air system relay is on or off 00b = not active 01b = active 10b = reserved for SAE assignment 11b = not available

Peterbilt 520 3492 spn fault code name is Aftertreatment 1 Air System Relay. If you don't take the time to look into Peterbilt 520 3492 spn fault when it arises, it can add up quickly. One small issue like Peterbilt 520 3492 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 Peterbilt 520 3492 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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