MasterTuning Fault code dictionary (DTC)

140 — Map Cooling Thermostat Activation

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningMap Cooling Thermostat Activation.
SystemDME 7.2
FamilyManufacturer-native code

Frequently asked questions

What does code 140 mean?

Map Cooling Thermostat Activation. Map Cooling Thermostat Activation. (System: DME 7.2)

Can I keep driving with code 140 active?

With caution: limp mode possible, have it checked soon

How do you fix code 140?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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