Faulty Signal
Faulty signal
Replacing the thermostat
Note! This diagnostic trouble code (DTC) is stored if the engine coolant temperature (ECT) sensor freezes. This may happen if the coolant level is low or there is too little glycol in the coolant. Check the engine coolant level and its freezing point. Remedy as necessary.
The engine control module (ECM) has registered that the actual temperature increase has deviated from the calculated temperature increase. This deviation is due to a defective thermostat.
Try replacing the thermostat. See Temperature sensor engine coolant, replacing Engine Temperature Sensor.
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.
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Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Replacing the thermostat
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