MasterTuning Fault code dictionary (DTC)

485B — Exhaust gas recirculation cooling switching valve Short circuit to earth

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningExhaust gas recirculation cooling switching valve Short circuit to earth.
FamilyManufacturer-native code

Frequently asked questions

What does code 485B mean?

Exhaust gas recirculation cooling switching valve Short circuit to earth. Exhaust gas recirculation cooling switching valve Short circuit to earth.

Can I keep driving with code 485B active?

With caution: limp mode possible, have it checked soon

How do you fix code 485B?

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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