773Ch
CLAAS 773Ch: Fault in the Cooled Exhaust Gas Temperature Sensor or Related Components
Issue description
The fault code indicates a potential issue with the cooled exhaust gas temperature sensor (B221) or related components such as the coolant level, coolant thermostat, or exhaust gas recycling cooler. The exact nature of the fault is not specified in the source.
Check the cause
The cooled exhaust gas temperature sensor (B221)
The coolant level
The coolant thermostat
Parts you might need
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