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September 26, 2017 Service bulletin

Technical Concern: The technician confirms the MIL and notes P0C4700 is present in the high-voltage battery

Porsche technical service bulletin 122-A3L7Z-10 for 2015-2017 Porsche Cayenne.

Bulletin number
122-A3L7Z-10
Component
Electrical system: 12v/24v/48v battery
Summary
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.

Owners of these vehicles have filed 14 complaints in the electrical category.

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