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B1C3CF0 — Exit Alert/Rear Cross Traffic Alert not available display active

Exit Alert/Rear Cross Traffic Alert not available display active. The Taycan, 911 (992), Panamera (972) and Cayenne report this code; below is which control unit sets it on each model and how to read and clear it.

Which models and control units set B1C3CF0

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B1C3CF0

  1. Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
  2. Open STEUER14, pick your car and run a fault scan: every control unit is read, and B1C3CF0 shows with its status, its full description and the freeze frame when the unit stores one.
  3. Fix the cause first, then clear the fault memory and scan again to check it stays away. Reading and clearing fault codes is free on every control unit.

More about fault memory in the manual →

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Other codes of the Instrument Cluster

B1C35F0Park pawl not available display active
B1C36F0Drive power reduced display active
B1C37F0Traffic Jam Pilot error display active
B1C38F0Lane Change Assist/Exit Alert not available display, active
B1C3A92Dimming function sensor in instrument cluster – malfunction
B1C3B92Access to external storage medium – malfunction
B1C3D93Left operator control unit – does not function
B1C3E93Right operator control unit – does not function
B1C4011External loudspeaker – short circuit to ground
B1C4012External loudspeaker – short circuit to B+
B1C4013External loudspeaker – open circuit
B1C4016External loudspeaker – voltage too low

All 176 codes of this control unit →

Fault names come from the manufacturer's diagnostic data. STEUER14 is independent and not affiliated with Porsche AG. A code tells you what a control unit detected, not always which part failed — check wiring, supply voltage and related codes before replacing parts. STEUER14 shows each fault's full description, status and freeze frame on the car.