No. 2016.3 Service Bulletin/Repair Instructions

9
Bulletin #: 2016.3
Advanced Technical Information
Part ID: 9981
Troubleshooting AC Charging

Vehicles Affected

Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
Taycan (J1-I)
As of 2020
Y1A, Y1B, Y1C
N/A
N/A
Panamera (G2-I)
As of 2021
971
N/A
E-Hybrid Variants
Cayenne (E3-I)
As of 2020
9YA, 9YB
N/A
E-Hybrid Variants
Macan (H2)
As of 2024
XAB
N/A
N/A
Revision History

Revision
Release Date
Changes
0
October 13, 2020
Original document
1
October 13, 2021
MY extension
2
November 6, 2023
Complete ATI update incl. Title, Vehicles Affected, Condition, Technical

background, and Service Information
3
July 29, 2025
Update to links, formatting, and
AfterSales
Warranty section
Jul 29, 2025

Page 1 of 14
9
Bulletin #: 2016.3
Advanced Technical Information
Part ID: 9981
Condition

Duplication and diagnosis of customer AC charging complaints can be difficult without detailed information from

the customer and the charging hardware provider. The following documentation aims to assist Porsche Center

service and support personnel with relevant and necessary information to assist customers with AC charging

complaints.
Technical Background

The level of data captured differs amongst the various charging components offered by Porsche.

Diagnosis of the Porsche Mobile Charger (PMC) labeled the Porsche Universal Charger (PUC) and the Porsche

Mobile Charger Plus (PMC+) must be performed using the PIWIS Tester and diagnostic adapters provided as

Porsche Special Tools.

The Porsche Mobile Charger Connect (PMCC) control unit is equipped with additional sensors and function

monitors. Diagnostic information, event logs, and diagnostic trouble codes (DTCs) can then be accessed through

the PMCC Web Application (accessible through local IP query or the PMCC Hotspot) in addition to using the PIWIS

Tester and diagnostic adapters provided as Porsche Special Tools.

Electric Vehicle Supply Equipment (EVSE) from Porsche

Device Name
Acronym
Internal Name
Supplier
EVSE Generation
Porsche Universal Charger
PUC
Basic Plus - 001
Heidelberger Drück GmbH
1
Porsche Mobile Charger /

Porsche Universal Charger
PMC / PUC
ICCPD-Basic
Aptiv Services Deutschland GmbH
2
Porsche Mobile Charger

Plus
PMC+
ICCPD-Basic Plus
eSystems GmbH
2
Porsche Mobile Charger

Connect
PMCC
ICCPD-High
eSystems GmbH
2
Porsche Wall Charger

Connect
PWCC
UL-Wallbox
eSystems GmbH
2
AfterSales
Jul 29, 2025

Page 2 of 14
Bulletin #: 2016.3
Advanced Technical Information
Part ID: 9981
9
Service Information

Documentation and reference information in other systems must be reviewed and understood before diagnosing

customer concerns.

•

E-Performance Help & Contact webpage contains media and service information useful to Porsche Centers

and customers:

•

Video tutorials

•

Porsche Charging Hardware Instructions and Installation Manuals

Porsche Mobile Charger Connect - Operating instructions (PDF; 1.7 MB)

Porsche Mobile Charger Plus - Operating instructions (PDF; 1.4 MB)

Porsche Mobile Charger - Operating instructions (PDF; 1.3 MB)

Porsche Wall Charger Connect - Operating and Installation Manual (PDF; 1.7 MB)

Porsche Wall Charger Connect - Cut Sheet (PDF; 4.7 MB)

General Precautions on Charging Hardware Installation (PDF; 6.8 MB)

FAQs

•

Charging Hardware Software Updates

This PPN space provides the latest published Communication Board (“CommBoard”)

Software (SW_C) available for the Porsche Mobile Charger Connect (PMCC) and Porsche

Wall Charger Connect (PWCC) can be downloaded from this website

Updates for other charging hardware including PowerBoard Software (SW_P) for the

PMCC, when available, may only be possible at the Porsche Center

This space also provides links to service campaign information for charging hardware,

where applicable
AfterSales
Jul 29, 2025

Page 3 of 14
Bulletin #: 2016.3
Advanced Technical Information

•
•
Part ID: 9981
9
PCSS

•

Workshop Manual → Group 99 “Entire Vehicle – General” → 9981 AC charging cable

Applies to 2nd-generation Porsche charging hardware

•

Workshop Manual → Group 0 “Entire vehicle – General” → 09 Porsche system components → 0940

High-voltage charging cable

Applies to 1st-generation Porsche charging hardware

PIWIS Tester contains diagnostic tools and information for Porsche charging hardware

•

PT4G → Fault finding → Guided fault finding → Model line: External components → Control unit:

Universal charging cable → Control unit variant [select the appropriate hardware variant]

•

PT4G → Diagnosis → Manual model line selection → External components → External components

with direct connection to the charging hardware in conjunction with Special Tool VAS 611 009
•
SoliD (Solutions for integrated Diagnosis)

•

Accessed via PPN → Online Systems → SoliD

•

This is a global system with global documents; not all information applies to the US / Canadian

Markets

•

The information in SoliD may be duplicated from other sources (like this ATI), and SoliD often links

to external information

•

SoliD provides Porsche Center service and support personnel and call center agents with customer

concerns related to digital services (e.g. Porsche Connect; Porsche infotainment; AC Charging; DC

Charging; charge point operations within the Porsche Charging Service)
•
PMCC/PWCC Web Application

•

The PMCC/PWCC Web Application can provide insight into customer complaints concerning HV

Charging, the vehicle, and the hardware itself

•

When the device is powered up and connected to a network, the customer can use the Web

Application to directly monitor the device, view past and present charging session information, and

control device settings

Refer to the section “Logging into the Web Application” for information on how to access this

system
AfterSales
Jul 29, 2025

Page 4 of 14
Bulletin #: 2016.3
Advanced Technical Information
Part ID: 9981
9
Diagnostic Troubleshooting Tips

•
•
•

•

•

•
AC charging concerns should be checked with customer-supplied charging hardware (supply cable, ICCPD,

and vehicle cable, for example)

•

The infrastructure that supplies customer homes and garages often differs from the infrastructure

in a Porsche Center or other commercial building. For example, customer homes are typically

single-phase and operate at 240 VAC, whereas commercial buildings are often three-phase and

provide split-phase to 208 VAC circuits and receptacles in the workshop. This change in operating

voltage affects AC charging hardware operation and overall charging power, for one.

•

Ground Faults

Underwriter Laboratory (UL) requirements define ground

fault and residual current detection capabilities for EVSEs.

By design, ICCPDs are extremely sensitive to ground

faults in the supply infrastructure.

The self-test function of typical residential GFCI receptacles

can cause ground faults. GFCI receptacles or circuits are a

common code requirement, especially in residential garages

and damp or wet locations.

A qualified electrician may need to ensure the quality of the

complete electrical system grounding and bonding (metal

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