No. 25-20

Service
Technical Information
25/20
ENU
2470
2
Engine Symptoms - Engine Running Faults, Check Engine Warning Light Lights Up:
Perform Adaptation Drive (SY 25/20)
Revision:
This bulletin replaces bulletin Group 2 SY 25/20, dated June 7, 2021.
Model Year:
As of 2019 up to 2020
Vehicle Type:
Cayenne E-Hybrid (9YA)
Country/Market:
USA (C02)
Equipment:
Emissions concept LEV3 (I-no. 7MU)
Subject:
DME control unit
Symptom:
Engine problems occur and the check engine warning light lights up in the instrument cluster.
At least two of the following entries are stored in the fault memory of the DME control unit:
Canada (C36)
Fault code
Description
P030000
Misfire detected (0027DB)
P030100
Cylinder 1 Misfire Detected (00295F)
P030200
Cylinder 2 Misfire Detected (002960)
P030300
Cylinder 3 Misfire Detected (002961)
P030400
Cylinder 4 Misfire Detected (002962)
P030500
Cylinder 5 Misfire Detected (002963)
P030600
Cylinder 6 Misfire Detected (002964)
P036300
Misfire detected, injection blocked (00842B)
Cause:
The crankshaft sensor wheel was not adapted.
Remedial
Action:
Perform adaptation drive using PIWIS Tester software version 39.300.000 (or higher).
Performing adaptation drive
WARNING
Driver steers off course during adaptation drive
•
Increased risk of accidents
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Service
2470
ENU
Technical Information
25/20
•
Danger to other people on the roads

Get another person to accompany the driver and give him the relevant instructions for carrying out the
adaptation drive.

Only drive the vehicle to achieve the rpm ranges required for the adaptation drive in accordance with road
traffic regulations and if the road, weather and traffic conditions are conducive to such driving.
Work
Procedure:
1
Check adaptation status.
1.1
Connect the PIWIS Tester to the vehicle and switch on the PIWIS Tester.
1.2
Start the engine, selector lever in position M.
1.3
Start diagnostics.
1.4
Select the "DME" control unit.
1.5
Select the "Actual values for input signals" tab.
1.6
Select "All" in the menu and press •F12“ to continue.
1.7
Select the measured value "Segment adaptation for rough running, status" and
continue with •F12“.
1.8
Check adaptation status  Display adaptation status.
0 = No sensor wheel adaptation required. Continue with step 4.
2 = Sensor wheel adaptation required. Continue with step 2.
Please Note: Engine must be running to
conduct adaptation status check!
2
Perform adaptation drive.
Information
The following conditions must be met for the adaptation drive:
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•
Flat road without gradient/slope
•
E-Power mode activated
•
Selector lever in position M.
•
Cooling water temperature at least 90 ° C
•
State of charge of the high-voltage battery at least 30%
Display adaptation status
2.1
Warm up the vehicle.
2.2
Maintain a constant engine speed of 1500-2500 RPM in 5th gear with very minimal variations in engine speed. Maintain this condition for a minimum of 15 minutes or until the adaptation status displays as ‘0’.
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Service
Technical Information
Please note:
25/20
3
End adaptation drive.
4
Turn off engine.
5
Disconnect the PIWIS Tester from the vehicle.
ENU
2470
2
Clearing a fault entry in the DME can reset this previously completed adaption. After deleting existing
faults in the DME, it is imperative to check the adaption values again with the combustion engine running.
If the adaption is not set as described above, be sure to complete the prescribed adaptation drive.
Please ensure the "Segment adaptation for rough running, status" value reads “0” before returning vehicle
to customer.
Invoicing
Invoicing:
For documentation and warranty invoicing, enter the labor operation and PQIS coding specified below in
the warranty claim:
APOS
Labour operation
24702505
Programming DME control unit
I No.
PQIS coding:
Location (FES5)
24700
DME control unit
Damage type (SA4)
1134
Programming error
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.
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