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Service bulletin CSN-L05

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 id10041264
Published by NHTSA2011-09-26
Manufacturer's numberCSN-L05
Manufacturer's date2011-05-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

CHRYSLER SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE TRANSMISSION COOLER LINES MAY LEAK TRANSMISSION FLUID AT THE HOSE TO TUBE JOINTS. *RM

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 WRANGLER2008, 2009

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

Recalls for the same vehicles and component
09V4360002009-11-05. 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
S1121000006RevA2022-09-26. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
S1121000006 Rev.2020-09-28. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
WB-D-11-252012-08-17. Service bulletin. JEEP: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION REGARDING THE EXTENSION WARRANTY FOR DIAGNOSIS AND REPLACEMENT OF TRANSMISSION OIL COOLER LINES. *PE
SB-21-006-112011-09-20. Service bulletin. CHRYSLER: 2008-2010 JEEP WRANGLER. WEEPING TRANSMISSION OIL COOLER LINES. INFORMATION ON INSTALLING NEW TRANSMISSION OIL COOLER SUPPLY AND RETURN LINE ASSEMBLY. *RM
CSN-J312010-08-20. Service bulletin. CHRYSLER SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TRANSMISSION FLUID TEMPERATURE WARNING. THE TRANSMISSION FLUID ON CERTAIN VEHICLES MAY OVERHEAT UNDER SEVERE USAGE CONDITIONS SUCH AS TRAILER TOWING, SNOW PLOWING OR EXTREME OFF ROAD DRIVING. CSC LETTER WAS RECEIVED. MODEL WRANGLER. *PE
21-018-082008-10-03. Service bulletin. CHRYSLER/DODGE/JEEP: FLASH:DIAGNOSTIC TROUBLE CODE, DTC P0740 OR P1798 AND AUTOMATIC TRANSMISSION SHIFT IMPROVEMENTS 1-2 OR 2-3 COLD SHIFT IMPROVEMENTS. *PE