Ti, 4316 Re-Programming PASM Control Unit (Warning Message "Chassis System Failure" In Instrument Cluster/SY2716): Tools

Tool denomination	Type	Tool number	Image
PIWIS Tester 3	Special tool	> 9900	Courtesy of PORSCHE CARS NORTH AMERICA, INC.
PIWIS Tester II	Special tool	> 9818	Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Model year

From 2010 To 2016

Vehicle Type:

Cayenne (92A)

Equipment:

Air suspension with Porsche Active Suspension Management (I-no. 1BK)

Subject:

Control unit for Porsche Active Suspension Management (PASM)

Concern:

There is increased friction in the air spring compressor valves at temperatures below -13° F (-25° C).

This can result in a situation in which the maximum control current is not sufficient to actuate the valves. As a result, a warning message will be displayed in the instrument cluster and Porsche Active Suspension Management (PASM) will stop working temporarily.

Remedial Action:

Re-program PASM control unit using the PIWIS Tester with test software version 33.010.030 (PIWIS Tester 3) or version 17.100.030 (PIWIS Tester II) or a higher software version installed.

NOTE: Use of a PIWIS Tester software version that is older than the prescribed version

Measure is ineffective
1. Always use the prescribed version or a higher version of the PIWIS Tester software for control unit programming.

Tools:

Battery Charger/Power Supply - Suitable for AGM Type batteries, recommended current rating of 70A fixed voltage 13.5V to 14.5V.
> 9900 - PIWIS Tester 3 with PIWIS Tester software version 33.010.030 (or higher) installed

> 9818 - PIWIS Tester II with PIWIS Tester software version 17.100.030 (or higher) installed.