MasterTuning Fault code dictionary (DTC)

P1817 — 001 reversing light switch S16/10s1 contact point short circuit to ground

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: Mercedes-Benz
Meaning001 reversing light switch S16/10s1 contact point short circuit to ground.
FamilyPowertrain (P)

Frequently asked questions

What does code P1817 mean?

001 reversing light switch S16/10s1 contact point short circuit to ground. 001 reversing light switch S16/10s1 contact point short circuit to ground.

Can I keep driving with code P1817 active?

With caution: limp mode possible, have it checked soon

How do you fix code P1817?

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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