Code result
U0237
Lost Communication with Sunroof Assembly Control Module
Moderate severity
What it means
The body bus has lost the sunroof assembly module. Pinch protection and tilt/slide functions cannot be commanded.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Water ingress
highOne of the most commonly reported causes for this code — check this first.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
CAN terminating resistor (120 Ω) drifted out of spec
lowLess common, but worth ruling out after the more likely causes.
Related help
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