5509 SPN Fault Code

Name:

Hydrocarbon Doser Purging Required

Description:

Purging of the Hydrocarbon Doser (HCD) is required. Request could come from the HCD system. 00b = Purging not required 01b = Purging required – less urgent 10b = Purging required – urgent 11b = Not available

5509 spn fault code name is Hydrocarbon Doser Purging Required. If you don't take the time to look into 5509 spn fault when it arises, it can add up quickly. One small issue like 5509 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 5509 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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