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Service bulletin 122-H5C4J-12

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10125206
Published by NHTSA2017-12-14
Manufacturer's number122-H5C4J-12
Manufacturer's date2017-11-28
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING

NHTSA's summary

Information: It is possible that a faulty wheel speed sensor can be the root cause of the multiple warnings. Check the fault memory for the following types of faults for one or more wheel speed sensors. * Sensor Fault * Sensor Electrical Fault * Sensor Implausible Fault

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Anti-lock brakes, Wheel speed sensor

Vehicles listed
PORSCHE MACAN2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.