Porsche TSB #122-Z4H5Q-05
2017 Porsche Panamera
Affected Component: ELECTRICAL SYSTEM
- There are two potential issues related to PASM Control units in the Panamera (971) for which an updated part has been released. One may be experienced by the customer and the other by the workshop. 1. If programming is interrupted while performing the WH29 service action, the control unit may become unresponsive and cannot be communicated with or reprogrammed.