122-K6T9F-01

Service
Technical Information
106/19 ENU
2792
2
Complaint - Red Hybrid Warning Message Appears in the Instrument Cluster: Performing
Guided Fault Finding Before Doing Any Other Work (106/19)
Information
As soon as at least one of the specified fault codes is stored as a passive fault in the fault memory,
always perform guided fault finding using the PIWIS Tester before doing any other work in order to
avoid incorrect repairs – in particular, replacing the electric motor unnecessarily.
Vehicle Types:
Cayenne S Hybrid (92A)/Cayenne S E-Hybrid (92A)
Panamera S E-Hybrid (970)
Model Year:
As of 2011 up to 2018
Subject:
Electric machine
Information:
The red hybrid warning message "Hybrid system failure – Park vehicle safely" appears in the
instrument cluster.
•
•
Remedial
Action:
Tools:
The hybrid warning message disappears from the instrument cluster after the ignition is switched off
and on again.
One or both of the following fault codes are stored in the fault memory of the power electronics
control unit:
Fault code
Designation
P0A4100
Electric motor, rotor position sensor – short circuit to ground or open circuit
P0A4200
Electric motor, rotor position sensor – short circuit to B+
Information
As soon as at least one of the specified fault codes is stored as a passive fault in the fault memory,
always perform guided fault finding using the PIWIS Tester before doing any other work in order to
avoid incorrect repairs – in particular, replacing the electric motor unnecessarily.
•
•
9900 - PIWIS Tester 3
Battery charger with a current rating of at least 90 A and a current and voltage-controlled
charge map for lithium starter batteries, e.g. VAS 5908 - Battery charger 90 A or
equivalent
Invoicing
Invoicing:
For documentation and warranty invoicing, enter the PQIS coding specified below in the warranty claim.
Location (FES5)
27920
Electric motor
Damage type (SA4)
4021
Incorrect signal
AfterSales
Dec 6, 2019
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Service
2792
ENU
Technical Information
106/19
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2019 Porsche Cars North America, Inc.
Dec 6, 2019
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AfterSales