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Service bulletin 21-053-15

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 id10216156
Published by NHTSA2022-07-25
Manufacturer's number21-053-15
Manufacturer's date2015-10-07
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN; EQUIPMENT

NHTSA's summary

948TE 9 Speed Transmission Quick Learn Procedure This bulletin provides information on how to perform the new scan tool based transmission Quick Learn procedure. This procedure is required after certain transmission repairs or to improve a customer?s concern of poor shift quality. Customers may indicate that their transmission shift quality may be erratic.

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

Equipment and accessories, Transmission and driveline

Vehicles listed
CHRYSLER 2002015
FIAT 5002016
JEEP CHEROKEE2015
JEEP RENEGADE2015
RAM PROMASTER CITY2015

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

Recalls for the same vehicles and component
20202612020-06-12. Powertrain
20V3430002020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
20176632017-12-22. Accessories
17V8240002017-12-21. EQUIPMENT
17V6010002017-09-26. EQUIPMENT:OTHER:LABELS
16V6670002016-09-15. EQUIPMENT:OTHER:LABELS; TIRES:TEMPORARY/EMERGENCY SPARE TIRE
20163702016-07-22. Accessories
20163612016-07-13. Powertrain
16V5290002016-07-12. POWER TRAIN:AUTOMATIC TRANSMISSION
16V3020002016-05-16. POWER TRAIN:MANUAL TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S1721000016 REV.B2025-12-23. Service bulletin. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code (DTC) C14A7-97 PTU Motor Component Or System Operation Obstructed Or Blocked.
21-040-252025-10-08. Service bulletin. 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00 - Torque Converter Clutch Performance.
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
S23250000072023-10-30. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
931202023-10-02. Service bulletin. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
91001962023-09-25. Service bulletin. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
21014232023-08-21. Service bulletin. 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: ? P1720-00 - 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.
914902023-08-21. Service bulletin. FCA Caribbean Warranty Bulletin ID-23-11 (XJ1) Power Transfer Unit (PTU) - Select 2014 - 2017 Jeep Cherokee (KL)
914862023-08-21. Service bulletin. Warranty Bulletin D-23-10 (XJ1) Power Transfer Unit (PTU) - Select 2014 - 2017 Jeep Cherokee (KL)