MasterTuning Fault code dictionary (DTC)

70 — Lambda Sensor (DME 1.7.x or 3.1) or Knock Sensor 1

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningLambda Sensor (DME 1.7.x or 3.1) or Knock Sensor 1.
SystemDDE 5
FamilyManufacturer-native code

Frequently asked questions

What does code 70 mean?

Lambda Sensor (DME 1.7.x or 3.1) or Knock Sensor 1. Lambda Sensor (DME 1.7.x or 3.1) or Knock Sensor 1. (System: DDE 5)

Can I keep driving with code 70 active?

With caution: limp mode possible, have it checked soon

How do you fix code 70?

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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