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Service bulletins for the 1999 Jeep Grand Cherokee

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.

176 on file from NHTSA, as of 2026-10-19.

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By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
1844981999-02-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SOME VEHICLES MAY EXHIBIT A SAG/ HESITATION FOLLOWING A COLD ENGINE START OR PARTIAL COOL DOWN RE-START, COULD BE CAUSED BY THE OXYGEN SENSOR ENTERING CLOSED LOOP PREMATURELY/IS EXPERIENCED WITHIN FIRST 30-40 SECONDS INTO THE DRIVE CYCLE. *AK
1843981999-02-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN ENGINE SAG WHEN THE A/C COMPRESSOR CYCLES. *YC
1837981999-02-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CONSUMERS THAT INADVERTENTLY FLOOD THEIR ENGINES DURING STARTING MAY TRY TO PERFORM A CLEAR FLOOD PROCEDURE TO HELP START THEIR VEHICLES. *AK
0709981999-02-02. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. SUBJECT ON VISCOUS FAN DRIVE SERVICE. *YC
2502981999-01-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING I/M ( INSPECTION MAINTENANCE ) TESTING - OBD II "CARB" READINESS MONITOR INFORMATION. *YC
1831981998-11-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SUBJECT ON THE OXYGEN SENSOR (O@) OPERATING DIFFERENCES. *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.