MasterTuning Fault code dictionary (DTC)

C1721 — Air Suspension Height Sensor Power Circuit Open

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

Frequently asked questions

What does code C1721 mean?

Air Suspension Height Sensor Power Circuit Open. Air Suspension Height Sensor Power Circuit Open.

Can I keep driving with code C1721 active?

With caution: limp mode possible, have it checked soon

How do you fix code C1721?

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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