MasterTuning Fault code dictionary (DTC)

459A — Exhaust gas temperature upstream of particulate filter Temperature too high

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningExhaust gas temperature upstream of particulate filter Temperature too high.
FamilyManufacturer-native code

Frequently asked questions

What does code 459A mean?

Exhaust gas temperature upstream of particulate filter Temperature too high. Exhaust gas temperature upstream of particulate filter Temperature too high.

Can I keep driving with code 459A active?

With caution: limp mode possible, have it checked soon

How do you fix code 459A?

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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