5746 SPN Fault Code

Name:

Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 1 Heater Relay

Description:

The status of the relay that controls Aftertreatment 1 diesel exhaust fluid dosing Unit 1 Heater. 00b = Off 01b = On 10b = Error 11b = Not available

5746 spn fault code name is Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 1 Heater Relay. If you don't take the time to look into 5746 spn fault when it arises, it can add up quickly. One small issue like 5746 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 5746 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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