Porsche Cayenne 2015–2017 — technical service bulletin
Bulletin 122-J8L7U-03 · NHTSA communication 10130115 · issued Feb 8, 2018
Technical service bulletin
communication type
Electrical System
component
2015–2017
model years
3
vehicle entries
Official summary
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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.