Sources reviewed October 9, 2026
Check the official vehicle record
Match the VIN and test date when reviewing results. The customer portal can help organise activity, but a connection indicator alone is not a recorded passing test.
When a result is missing
CARB’s results guidance says to check communication, internet connectivity and whether the test was received. If a provider portal is waiting for CARB while CTC-VIS has no result, contact the device provider to investigate submission.
What to send to support
Prepare the vehicle identifier through the provider’s approved channel, test time, exact status text and a screenshot without unrelated account details. Ask whether the issue is collection, transmission or processing.
Keep responsibilities separate
Registration, fees, test results and other compliance issues can require separate actions. Save the official result and follow up on any remaining notice rather than treating the device’s online status as the final answer.