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B18D4F1 — Surface heating in left front center console, Temperature sensor defective

Surface heating in left front center console, Temperature sensor defective. The Taycan, 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 B18D4F1

Porsche Taycan

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B18D4F1

  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 B18D4F1 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 Air Conditioning

B18D1F2Surface heating in front center console, Voltage supply lower limit not reached
B18D1F3Surface heating in front center console, incorrect code
B18D1F4Surface heating in front center console, Upper temperature limit exceeded
B18D2F0Surface heating in left rear center console, Upper current limit exceeded
B18D2F1Surface heating in left rear center console, Temperature sensor defective
B18D4F0Surface heating in left front center console, Upper current limit exceeded
B18D5F0Surface heating in right front center console, Upper current limit exceeded
B18D5F1Surface heating in right front center console, Temperature sensor defective
B18D6F0Surface heating in right rear center console, Upper current limit exceeded
B18D6F1Surface heating in right rear center console, Temperature sensor defective
B194E04Steuergerät für Luftzusatzheizung 2, defekt
B194EF0Steuergerät für Luftzusatzheizung 2, Keine Kommunikation

All 418 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.