MasterTuning Fault code dictionary (DTC)

49B8 — Electric fuel pump CAN message missing

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningElectric fuel pump CAN message missing.
FamilyManufacturer-native code

Frequently asked questions

What does code 49B8 mean?

Electric fuel pump CAN message missing. Electric fuel pump CAN message missing.

Can I keep driving with code 49B8 active?

With caution: limp mode possible, have it checked soon

How do you fix code 49B8?

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.

Need help with this fault?

We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.

Contact us
Where to get it fixed

Related codes