4223 SPN Fault Code

Name:

Pre-High Engine Temperature Warning Relay Driver

Description:

The Pre-High Engine Temperature Warning Relay Driver drives the pre-high engine temperature warning lamp to indicate the engine has reached warning level engine temperature. This SPN is to indicate faults with the relay driver circuit.

4223 spn fault code name is Pre-High Engine Temperature Warning Relay Driver. If you don't take the time to look into 4223 spn fault when it arises, it can add up quickly. One small issue like 4223 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 4223 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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