MasterTuning Fault code dictionary (DTC)

C1851 — Air Suspension Warning Lamp Circuit Open

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningAir Suspension Warning Lamp Circuit Open.
FamilyChassis (C)

Frequently asked questions

What does code C1851 mean?

Air Suspension Warning Lamp Circuit Open. Air Suspension Warning Lamp Circuit Open.

Can I keep driving with code C1851 active?

With caution: limp mode possible, have it checked soon

How do you fix code C1851?

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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Where to get it fixed

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