Home › Fault codes › B1853F6

B1853F6 — Amplifier - DTCP authentication error, certificate

Amplifier - DTCP authentication error, certificate. The Taycan, 911 (992), Panamera (971), 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 B1853F6

Porsche Taycan

Information Control Unit

Porsche 911 (992)

MIB2 (Zentralrechner)

Porsche Panamera (971, 2017–2023)

MIB2 (Zentralrechner)DVD WechslerTV Tuner

Porsche Panamera (972, 2024–)

MIB3 (Zentralrechner)

Porsche Cayenne (9YA)

MIB2 (Zentralrechner)DVD Wechsler

How to read and clear B1853F6

  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 B1853F6 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 →

Download STEUER14 — free fault reading

Other codes of the Information Control Unit

B1853F0DVD autochanger - DTCP authentication error, signature
B1853F1TV tuner - DTCP authentication error, signature
B1853F2Amplifier - DTCP authentication error, signature
B1853F3Rear Seat Entertainment - DTCP authentication error, signature
B1853F4DVD autochanger - DTCP authentication error, certificate
B1853F5TV tuner - DTCP authentication error, certificate
B1853F7Rear Seat Entertainment - DTCP authentication error, certificate
B1853FARear Seat Entertainment - DTCP authentication error, signature
B1853FBRear Seat Entertainment - DTCP authentication error, certificate
B1853FCGraphics unit - DTCP authentication error, signature
B186907Control unit for multimedia system Listen button, mechanical malfunction
B187007Multimedia system control head, Directory down button - mechanical error

All 614 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.