4200 SPN Fault Code

Name:

Desired Aftercooler Coolant Thermostat Opening

Description:

Used to transmit the desired position of the low temperature aftercooler temperature control valve. 0% represents the thermostat allows flow to completely bypass the aftercooler and 100% represents the flow is fully through the aftercooler. If the aftercooler coolant thermostat is operating in temperature control mode (see SPN 4198) then this value should be FFh.

4200 spn fault code name is Desired Aftercooler Coolant Thermostat Opening. If you don't take the time to look into 4200 spn fault when it arises, it can add up quickly. One small issue like 4200 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 4200 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.

Similar SPN Codes :

SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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