MasterTuning Fault code dictionary (DTC)

158 — Battery Potential (Voltage), Switched

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningBattery Potential (Voltage), Switched.
SystemALL
FamilyManufacturer-native code

Frequently asked questions

What does code 158 mean?

Battery Potential (Voltage), Switched. Battery Potential (Voltage), Switched. (System: ALL)

Can I keep driving with code 158 active?

With caution: limp mode possible, have it checked soon

How do you fix code 158?

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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