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Service bulletin 1804007

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 id10022415
Published by NHTSA2007-08-13
Manufacturer's number1804007
Manufacturer's date2007-07-17
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

MIL ILLUMINATION DUE TO DTC P1128, P1129 WHEN VEHICLE IS OPERATED WITH A 38% TO 40% ETHANOL FUEL BLEND. *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

Fuel system

Trouble codes named

P1128, P1129

Vehicles listed
JEEP COMMANDER2007
JEEP GRAND CHEROKEE2007

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