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Service bulletin 21-021-16

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 id10137062
Published by NHTSA2018-05-21
Manufacturer's number21-021-16
Manufacturer's date2016-06-04
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN

NHTSA's summary

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P061B-00 - Internal Control Module Torque Calculation Performance. · P072F-00 - Stuck In Gear 4.** · P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. · P1DAD - Input Shaft-Output Shaft Direction Correlation. · P1CC9 - Unable to Engage Gear. · P1D98 - Incorrect Gear Ratio Clutch B or D Defective. · U1424 - Implausible Engine Torque Signal Received. In addition to correcting the DTCs listed this software update includes the following enhancements: · **Coast down bump on 7-6, 6-5, 5-4, 5-3 downshift improvements. · Cold 1-2, 2-3 upshift improvements. · 1-2, 2-3 upshift flare control improvements. · Power-on upshift improvements. · Lift foot upshift 2-3, 4-5, 8-9 improvements.** · Garage shift improvements (Shifting from Park or Neutral to Drive or Reverse). · 1-2 Shift Quality improvements. · Improved engine performance under certain operating conditions (High Altitude, High Ambient Temperatures and High Humidity). · Hill shift pattern optimization. · Improved redline shift performance. · Improved upshifts, downshifts, coast down shifts and tip shifts.

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

Engine, Transmission and driveline

Trouble codes named

P061B, P0711, P072F, P1CC9, P1D98, P1DAD, U1424

Vehicles listed
JEEP RENEGADE2015

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

Recalls for the same vehicles and component
20163612016-07-13. Powertrain
16V5290002016-07-12. POWER TRAIN:AUTOMATIC 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
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