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P0CA600 — High-voltage battery – charging current too high
High-voltage battery – charging current too high. 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 P0CA600
How to read and clear P0CA600
- 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 P0CA600 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 2
| B201200 | Coding |
| B203400 | Warning – overtemperature |
| C116300 | Development functions active |
| P060B00 | Control unit – internal error |
| P061000 | Control unit - variant coding invalid |
| P0CA400 | Hybrid/high-voltage battery – charging voltage too high |
| P0D1500 | High-voltage charger, high-voltage interlock – open circuit |
| P0D1700 | High voltage charger, safety line – short circuit to ground |
| P0D1800 | High voltage charger, safety line – short circuit to B+ |
| P0D2400 | High-voltage charger – overtemperature |
| P0D2700 | High-voltage charger, line conductor L1 – undervoltage |
| P0D2800 | High-voltage charger, line conductor L1 – overvoltage |
All 110 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.