MasterTuning Fault code dictionary (DTC)

458A — Exhaust gas temperature on particulate filter regeneration plausibility

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningExhaust gas temperature on particulate filter regeneration plausibility.
FamilyManufacturer-native code

Frequently asked questions

What does code 458A mean?

Exhaust gas temperature on particulate filter regeneration plausibility. Exhaust gas temperature on particulate filter regeneration plausibility.

Can I keep driving with code 458A active?

With caution: limp mode possible, have it checked soon

How do you fix code 458A?

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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