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Service bulletin ER-L-34

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 id10042886
Published by NHTSA2012-01-23
Manufacturer's numberER-L-34
Manufacturer's date2011-10-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

CHRYSLER (JEEP): SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION REGARDING A RECALL, EFFECTING 3.8L ENGINES, FOR PCM REPROGRAMMING THAT MAY NOT RUN DOWNSTREAM OXYGEN SENSOR SLOW RESPONSE MONITOR. *PE

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 WRANGLER2011, 2012

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

Recalls for the same vehicles and component
13V2340002013-06-04. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

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
V512022-12-19. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
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
V512020-01-21. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
N280606132018-05-21. Service bulletin. New Safety Recall Advanced Communication ? N28060613 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2012 and 2013 model year (JK) Jeep Wrangler vehicles. Some of the above vehicles may experience a condition where the power steering return tube contacts the aluminum transmission oil cooler tube. Continuous contact of the aluminum transmission oil cooler tube against the power steering return tube could cause a wear hole in the aluminum transmission oil cooler tube. This can result in a loss of transmission fluid which may damage the transmission and/or a loss of transmission function. Chrysler will conduct a voluntary safety recall on all involved vehicles to replace the power steering return tube and inspect the transmission oil cooler tube for damage. Damaged transmission oil cooler tubes will be replaced. Transmission oil cooler tubes that are not damaged will receive a protective sleeve. Dealers will be notified of the launch of this safety recall by way of established methods used in the past. We ask that you please take the time to ensure that your personnel are aware of this communication and are prepared to execute a customer friendly process for inquiries on involved vehicles.
21-013-142014-06-03. Service bulletin. TRANSMISSION OIL COOLER TUBES, POWER STEERING RETURN, PROTECTIVE SLEEVE NEEDS INSTALLING ON THE TRANSMISSION COOLER TUBE. *06/03/2014 LJ.
ER-L-352012-01-24. Service bulletin. JEEP: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. AFTER DETECTION OF DOWNSTREAM OXYGEN SENSOR SLOW RESPONSE MONITOR OR EGR MONITOR FAULT, SOME VEHICLES MAY HAVE BEEN INADVERTENTLY PROGRAMMED WITH SOFTWARE THAT FAIL TO ILLUMINATE THE MIL. *PE