No. 03-21

Service
Technical Information
03/21
ENU
2473
2
Complaint - Check Engine Error Message Together With Fault Memory Entry "Oxygen
Sensor Downstream of Catalytic Converter - Signal Too Slow from Lean to Rich" (03/21)
Vehicle Type:
Cayenne S (9YA/9YB)
Model Year:
As of 2020 up to 2021
Emissions
Concept:
LEV3/TIER3 (I-no. 7CE)
Concerns:
Oxygen sensor downstream of catalytic converter
Information:
Because the oxygen sensor diagnosis is too sensitive, the engine electronics (DME) control unit
activates the Check Engine warning light in the instrument cluster. In the event of a fault, the
following fault memory entries are stored:
•
•
P013B00 - Oxygen sensor downstream of catalytic converter, bank 1 - signal too slow from lean to
rich (005C35)
P013D00 - Oxygen sensor downstream of catalytic converter, bank 2 - signal too slow from lean to
rich (005C3B)
The following conditions can cause the fault to occur:
•
•
•
•
Low engine speed (1,200 - 1,500 rpm)
Calculated engine load at 25 - 35%
Engine is at operating temperature/is close to operating temperature (50 - 100 °C)
Low vehicle mileage (0 - 1000 km/621 mls)
Action required: If no other fault memory entries are stored in the engine electronics (DME) control unit, proceed as
follows:
•
•
Create Vehicle Analysis Log (VAL).
Delete fault memory entries
End of remedial action.
No further action is possible at this point in time. Replacing the catalytic converter or oxygen sensor will
not work.
Information
The topic is currently the subject of further analysis. As soon as a permanent remedial action is available,
this Technical Information will be updated accordingly.
AfterSales
Feb 4, 2021
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Service
2473
ENU
Technical Information
03/21
Invoicing
Invoicing:
For documentation and warranty invoicing, enter the labor operations and PQIS coding specified below in
the warranty claim:
APOS
Labor operation
03350000
On-board diagnosis
03350053
On-board diagnosis
I No.
PQIS coding:
Location (FES5)
24730
Oxygen sensor downstream of catalytic converter
Damage type (SA4)
1614
Function not as specified
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.
© 2021 Porsche Cars North America, Inc.
Feb 4, 2021
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AfterSales