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Service bulletin 2101906

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 id10020543
Published by NHTSA2006-11-15
Manufacturer's number2101906
Manufacturer's date2006-10-13
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

IDLE RPM FLARE COLD VEHICLE OPERATION-REVISED TRANSMISSION OIL FILL LEVEL. SOME VEHICLES MAY EXHIBIT SLIGHT IDLE FLARE AT LAUNCH. THIS MAY OCCUR DURING COLD 25 DEGREES TO 43 DEGREES TEMPERATURES AND IS MOST NOTICEABLE AFTER EXTENDED IDLING. ONCE THE TRANSMISSION WARMS, THE CONDITION WILL NO LONGER BE EXPERIENCED. *KB

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
JEEP COMMANDER2006
JEEP GRAND CHEROKEE2005, 2006

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

Recalls for the same vehicles and component
08V2030002008-05-06. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
05V3960002005-09-14. 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
18-042-142018-06-18. Service bulletin. Generic Powertrain Control Module (PCM) Procedure This bulletin involves programming a generic PCM with software.
SB-18-014-092009-09-23. Service bulletin. CHRYSLER/JEEP: FLASH: ESP SYSTEM MAY PREMATURELY ACTIVATE MOMENTARILY WHEN NEGOTIATING A CURVE OR MIL ILLUMINATION DUE TO DIAGNOSTIC TROUBLE CODE P0340, P0344 OR P0116. THIS INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE UPDATED 5/24/10. *PE
18049072008-01-23. Service bulletin. THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *NJ
08030062007-03-23. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *KB
21002062007-02-01. Service bulletin. FLASH 42RLE - IMPROVED HILL CLIMB CAPABILITY IN REVERSE OR DIAGNOSTIC TROUBLE CODES (DTC) P1713/P1776. *KB
21009062006-05-17. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION; A RATTLE-LIKE SOUND FROM THE TORQUE CONVERTER; AND INTERMITTENT TORQUE CONVERTER LOCK AND UNLOCK WHEN IN LOCK-UP MODE. *TT
18008062006-04-25. Service bulletin. FLASH: ENHANCED TORQUE CONVERTER, GLOW PLUG, SKIM OPERATION. *AK
18007062006-04-25. Service bulletin. GENERIC POWERTRAIN CONTROL MODULE (PCM) PROCEDURE. *AK
162005-11-15. Service bulletin. CUSTOMER SATISFACTION NOTIFICATION E16 - TRANSMISSION COOLER RETURN FILTER. DELAYED ENGAGEMENT WHEN THE SHIFTER IS PLACED INTO GEAR AFTER THE ENGINE HAS BEEN OFF FOR MORE THAN 12 HOURS. *TT
08036052005-08-19. Service bulletin. TRANSMISSION IN LIMP-IN MODE OR MALFUNCTION INDICATOR LAMP ON DUE TO POWERTRAIN CONTROL MODULE GROUND WIRE. *TT