No. 36-17

Symptom-based workshop manual
Service
36/17
ENU
8272
8
Symptom in Vehicle Interior – Auxiliary Heater Does Not Function (M-No. 9M1 / 9M9):
Retrofitting Heat Protection Mat (SY 36/17)
General information
Change overview:
Release
Date
Change
0
04/07/2017
•
First publication
1
03/07/2024
•
•
New component status for heat protection mat available
Work procedure adapted to new component status of heat
protection mat
Model Line:
Macan (95B)
Model Year:
As of 2014 up to 2023
Equipment:
Auxiliary heater (M-No. 9M1 / 9M9)
Concerns:
Circulating pump for auxiliary heater
Symptom:
The auxiliary heater cannot be started.
Cause:
The contacts in the circulating pump connector may be corroded as a result of water leaking into the
connector housing.
The fault code 0582 Heater overheated can be entered in the fault memory of the auxiliary heating
control unit.
Remedial
Action:
A heat protection mat will be secured around the circulating pump.
958121653
 Heat protection mat
Fasten heat protection mat on circulating pump
CAUTION
Hot components
•
Risk of burns

Let hot components cool down.

Wear personal protective gear.
AfterSales
Mar 7, 2024
Page 1 of 3
8
Service
8272
ENU
36/17
Symptom-based workshop manual
1
Remove exhaust pipe on auxiliary heater.  Workshop Manual '826019 Removing and installing
exhaust pipe - chapter on “Removing”'
2
Release electric plug connection  Connector for circulating pump -1- from the circulating pump 
Connector for circulating pump -2- and disconnect it.
Connector for circulating pump
Information
Replace damaged or corroded components and connectors if necessary.
3
Clean connector contacts and component contacts using a suitable tool.
4
Connect electric plug connection  Connector for circulating pump -1- to the circulating pump 
Connector for circulating pump -2- until it engages securely.
Connector for circulating pump
5
Mar 7, 2024
Page 2 of 3
Install heat protection mat  Position of heat protection mat -1- on the circulating pump and lock
press-studs  Position of heat protection mat -Arrows-. Arrow  Position of heat protection mat
-2- must be pointing downwards.
AfterSales
Service
Symptom-based workshop manual
36/17
ENU
8272
8
Position of heat protection mat
6
Install exhaust pipe on auxiliary heater.  Workshop Manual '826019 Removing and installing
exhaust pipe - chapter on “Installing”'
7
Read out and delete the fault memory.  Workshop Manual '033500 Fault memory for on-board
diagnosis'
Labor position and PCSS encryption
Labor position:
APOS
Labor operation
82724900
Reworking circulating pump
I No.
PCSS encryption:
Location (FES5)
82720
Circulating pump
Damage type (SA4)
5011
Water leak
References:
 Workshop Manual '826019 Removing and installing exhaust pipe'
 Workshop Manual '033500 Fault memory for on-board diagnosis'
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.
© 2024 Porsche Cars North America, Inc.
AfterSales
Mar 7, 2024
Page 3 of 3