No. 2005.2

2
Bulletin #: 2005.2
Advanced Technical Information
Part ID: 2470
992 - Engine Warning Fault Caused by P070300 (00110D) – “Brake light switch electrical fault”
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
911
2020
992120, 992320, 992420, 992620
N/A
N/A
Revision History
Revision
Release Date
Changes
0
March 13, 2020
Original document
1
July 22, 2020
Update of condition
2
February 23, 2022
Relevant SW versions
Condition
This fault may cause an engine warning in the instrument cluster to illuminate. When diagnosing the condition 		
described herein, it is necessary to verify the data trouble code associated with the P070300 Fault is 00110D of
the DME. This error occurs by engaging the brakes simultaneously with the front axle-lift, convertible top (or 		
moon roof), rear spoiler and/or the rear defroster.
Technical Background
This error described here results from a difference in voltage measured across the DME compared to the voltage 		
measured at the electric brake booster. The basic load on the vehicle’s electrical system together with loading from
active consumers can cause this fault to occur.
Service Information
New DME software to rectify this faulty diagnostic is available. When presented with the aforementioned fault,
please compare the present DME software level to the appropriate SW versions listed below, depending on vehicle
type. If the software is not at the level shown in table below, then please update the DME SW using the Automatic
Programming and Coding functions of the tester. As always, ensure the PT3G tester is updated to the most current
software level before programming.		
AfterSales
February 23, 2022
Page 1 of 2
2
Bulletin #: 2005.2
Advanced Technical Information
Part ID: 2470
MY 2020 (L) Model Type
Transmission
Relevant DME SW Version
992 Carrera / Carrera 4
PDK
992906021 AQ_0001
992 Carrera S / Carrera 4 S
PDK
992906020 BJ_0001
992 Carrera S / Carrera 4 S
MT
992906020 BK_0001
Warranty
As always, be sure to document the repair completely in PQIS.
For this repair, please code the “cause” as follows:
Cause location:
24700
DME Control Unit
Cause symptom:
6047
Diagnostic error
Use the following troubleshooting labor operation:
03350000 On board diagnostic (Main work) Fault memory read out
03350053 On board diagnostic (Composite) VAL
Search Items
P070300, 00110D, Brake light switch - electrical fault, DME, 992
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.
A9606
©2022 Porsche Cars North America, Inc.
AfterSales
February 23, 2022
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