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Service bulletin 1804907

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 id10023652
Published by NHTSA2008-01-23
Manufacturer's number1804907
Manufacturer's date2007-12-13
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *NJ

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, Transmission control module

Vehicles listed
JEEP COMMANDER2006
JEEP GRAND CHEROKEE2006
JEEP LIBERTY2006

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)
05V4600002005-10-06. 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
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
21005072007-04-25. Service bulletin. IMPROVED HILL CLIMB CAPABILITY IN REVERSE OR DTC'S P1713 / P1776. *KB
372007-03-26. Service bulletin. TRANSMISSION TORQUE CONVERTER MAY FAIL. FAILURE MAY CAUSE A RATTLING SOUND IN NEUTRAL OR PARK POSITIONS. MALFUNCTION INDICATOR LAMP (MIL) MAY ILLUMINATE. TRANSMISSION PROBLEMS CAN BE CAUSED. *KB
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
312006-12-08. Service bulletin. REPROGRAM THE TRANSMISSION CONTROL MODULE (TCM) FOR AFTERMARKET SCANNING TOOLS. *KB
21019062006-11-15. Service bulletin. 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
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
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