General information

WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.

Model Line:

Macan

Symptom:

No cooling performance from the air-conditioning system.

Cause:

The evaporator for the air-conditioning system can freeze at high outside temperatures and high humidity.

Remedial Action:

Re-program control unit for air-conditioning system using a modified parameter set.

Information

Before doing any other work, the software version must be read out of the air-conditioning control unit using the PIWIS Tester.

→ If the software version is higher than "1040", the remedial action described below must not be carried out .

→ The software in the air-conditioning control unit is already the latest version in this case. Programming the air-conditioning control unit using the programming code will not resolve the problem.

Tools:

Battery Charger/Power Supply - Suitable for AGM Type batteries, recommended current rating of 70A fixed voltage 13.5V to 14.5V.

PIWIS Tester III 9900