C1A16 on Nissan
Radar sensor blocked or obstructed (Nissan)
Severity: Inspect soon
Owners report forward emergency braking and intelligent cruise switching off, and in some cases unexpected braking, so the driver-assist safety systems cannot be relied on.
This page covers only what differs on Nissan. For what C1A16 means, the ranked causes and the test order, see the C1A16 guide.
What's different on Nissan
NissanYour car
2018 · Altima
Supported by vehicle dataAn owner reports a dealer finding C1A16 radar stain and C1B55-97 radar blockage, reprogramming the radar and then quoting a replacement.
2017 · Rogue
Supported by vehicle dataAn owner reports the dealer saying C1A16-97 relates to a blocked or obstructed radar sensor, stored as a past code.
Sources and review
- NHTSA complaint ODI 11278863: 2018 Nissan Altima driver assist
- NHTSA complaint ODI 11057739: 2017 Nissan Rogue warning message
- Last reviewed
- Written by
- Saurabh K.
- Editorial review
- Pending
- Technician review
- Technician review pending
This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error