Jeep Grand Cherokee 2014–2015 — technical service bulletin
Bulletin T01 · NHTSA communication 10139999 · issued Mar 1, 2017
Technical service bulletin
communication type
Power Train
component
2014–2015
model years
2
vehicle entries
Official summary
Customer Satisfaction Notification T01 Reprogram Powertrain Control Module The Powertrain Control Module (PCM) on about 15 of the above vehicles may have received PCM software containing calibration errors when recall S49 was performed. PCM software containing calibration errors may result in the radiator cooling fan producing excessive fan noise during operation. The PCM on involved vehicles must be reprogrammed with new software.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.