The blue arrows show you where to inspect for traces of water.
Photo courtesy of Mitchell 1
Inspect for traces of water on the bottom side of the e-box.
This bulletin applies to 2019-2022 Porsche Macan vehicles. The vehicle may store faults, including the following:
052284/052204 (PSM)
C12085/C1209D (all-wheel drive transfer box)
U010000 (transmission electronics...PDK)
Photo courtesy of Mitchell 1
Look for corroded wire splices.
C12002 (various ECUs...no communication with engine electronics control unit DME); U111100 (date bus – fault value received from DME control unit).
Other faults for loss of communication with PSM, DME and AWD.
This condition may be the result of water entering the e-box and causing corrosion on the contacts or splices. Open the e-box and look for evidence of water intrusion.
Remove existing corrosion from the splices and wiring and re-attach to the e-box. Note: It is necessary to replace the e-box cover.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
