CM850 Electronic Control System – FAULT CODE 197

Coolant Level – Data Valid but Below Normal Operational Range – Moderately Severe Level


Overview

CODE REASON EFFECT
Fault Code: 197
PID: P111
SPN: 111
FMI: 1/18
LAMP: Amber
SRT: 

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

None on performance.

Engine Coolant Level
SMALL | MEDIUM | LARGE

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. Refer to the OEM service manual for the location.

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.

Refer to Troubleshooting Fault Code t05-197

Last Modified:  08-Jul-2010