Jeep Cherokee 2014–2017 — technical service bulletin
Bulletin 2101423 · NHTSA communication 10243272 · issued Aug 25, 2023
Technical service bulletin
communication type
Electrical System
component
2014–2017
model years
4
vehicle entries
Official summary
Power Transfer Unit (PTU) Broken Input Spline XJ1 Warranty Extension Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? 1720-00 - Output Speed Sensor Wheel Speed Rationality. ? P215C-00 - Output Shaft Speed Wheel Speed Correlation. This bulletin involves replacing the PTU assembly with an updated part.
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.