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SPN 111 - FMI 18 (Fault Code 197)

SPN111 FMI18
Coolant Level - Data Valid but Below Normal Operational Range - Moderately Severe Level

Engine Coolant Level



CODES:
Fault Code: 197
PID(P), SID(S): P111
SPN: 111
FMI: 1/18
Lamp: Amber

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

EFFECT: None on performance.

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 111 - FMI 4 (Fault Code 196 - Two Wire Sensor)
SPN 111 - FMI 4 (Fault Code 196 - Three Wire Sensor)








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