P0C47 on the 2016 Porsche Cayenne
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 122-J8L7U-03 | 2018-03-13. Service bulletin. Customer Concern: The customer observes a Malfunction Indicator Lamp (MIL). (Note: Typically, this MIL is the only symptom of this issue.) Technical Concern: The technician confirms the MIL and notes P0C4700 is present in the high-voltage battery. Service Information: New guided fault finding appears in PIWIS tester version 37.000 and higher. Please follow the instructions given in this resource before proceeding with the information in this ATI. |
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| 122-T5Z7V-08 | 2017-10-25. Service bulletin. Technical Concern: The technician confirms the MIL and notes P0C4700 is present in the high voltage battery. |
| 122-S7R6B-11 | 2017-10-15. Service bulletin. The customer observes a MIL. (Please note: Often, this failure mode is not accompanied by other unwanted behavior.) The technician confirms the MIL and notes P0C4700 is present in the high voltage battery. PCNA is aware of this issue. A bad ground has been found in a number of cases. The service recommendation is to check ground continuity and replace the electric water pump and the electric water pump relay, if necessary. |
| 122-A3L7Z-10 | 2017-10-15. Service bulletin. Technical Concern: The technician confirms the MIL and notes P0C4700 is present in the high-voltage battery. Service Information: In many cases, technicians noted one or more of the following root causes: a) Corrosion on Ground Pin 6B (See figures 1 and 2.) b) Corrosion on the connector to the secondary low temperature coolant pump. c) A bad ground or otherwise unsound wiring. |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.