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SPN 111 - FMI 1 (Fault Code 235)

SPN111 FMI1
Coolant Level - Data Valid but Below Normal Operational Range - Most Severe Level

Engine Coolant Level



CODES:
Fault Code: 235
PID(P), SID(S): P111
SPN: 111
FMI: 1
Lamp: Amber

REASON: Coolant Level - Data Valid but Below Normal Operational Range - Most Severe Level. Low engine coolant level detected.

EFFECT:
-Progressive power derate increasing in severity from time of alert. If the Engine Protection Shutdown feature is enabled, the engine will shut down 30 seconds after Red Stop lamp starts flashing.
-Marine: None. No engine protection for sensor or circuit failure.

Circuit Description:
The engine coolant level sensor monitors the engine coolant level within the coolant system and passes information to the electronic control module (ECM) through the OEM harness.

Component Location:
The engine coolant level sensor is typically located in the radiator top tank or surge tank.

Shop Talk:
This fault code goes active when the coolant level inside the radiator top tank or surge tank drops below the sensor level. Fill the top tank with coolant.


Read More:
SPN 108 - FMI 3 (Fault Code 221)
SPN 108 - FMI 4 (Fault Code 222)








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