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U033700 — Software Incompatibility with Battery Charger Control Module
Software Incompatibility with Battery Charger Control Module. 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 U033700
How to read and clear U033700
- Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
- Open STEUER14, pick your car and run a fault scan: every control unit is read, and U033700 shows with its status, its full description and the freeze frame when the unit stores one.
- 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 readingOther codes of the On-Board Charger
| P33F000 | High-voltage system activation, Malfunction |
| P33F100 | High-voltage system deactivation, Malfunction |
| U000200 | High Speed CAN Communication Bus, Performance |
| U002800 | Hybrid CAN bus – faulty |
| U002900 | Hybrid CAN bus - no communication |
| U030000 | Control unit, incorrect coding |
| U101100 | Supply voltage – too low |
| U101200 | Supply voltage – too high |
| U102500 | Air conditioning control unit – fault memory entry available |
| U103000 | LIN bus 1 – electrical fault |
| U110000 | Component protection – not taught |
| U110100 | Component protection active |
All 221 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.