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Service bulletin 37

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 id10021256
Published by NHTSA2007-03-26
Manufacturer's number37
Manufacturer's date2006-12-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

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

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 LIBERTY2005, 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
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
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
18029072007-06-15. Service bulletin. GENERIC POWERTRAIN CONTROL MODULE (PCM) PROCEDURE. *KB
21005072007-04-25. Service bulletin. IMPROVED HILL CLIMB CAPABILITY IN REVERSE OR DTC'S P1713 / P1776. *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
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