B0700
Sunroof Open/Close Circuit
A fault has been detected in the sunroof open/close motor circuit.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Sunroof motor failedCommon
- Blocked drain causing water/electrical damagePossible
- Sunroof switch failurePossible
Parts involved
- Sunroof Motor
- Sunroof Control Module
B0700 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.