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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 component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
R2118796A2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
18031032003-11-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.0L ROUGH ENGINE IDLE AFTER RESTART FOLLOWING A HOT SOAK. *TT
09003032003-10-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.0L MULTIPLE CYLINDER MISFIRE. *TT
18012022002-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING COLD START RPM FLARE. *JG
25004012001-07-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING ADDITIONAL DIAGNOSTIC FOR DIAGNOSTIC TROUBLE CODES CAUSED BY AN EVAPORATIVE SYSTEM LEAK. *TT
1802300A2001-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT PERTAINING TO ENGINE PERFORMANCE ENHANCEMENTS. *JB
18001012001-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION REGARDING ENGINE PERFORMANCE ENHANCEMENTS. *JB
18023002001-03-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLE ENGINES MAY EXHIBIT PART THROTTLE OR WIDE OPEN THROTTLE SPARK KNOCK; SAG OR HESITATION FOLLOWING A COLD ENGINE START; ROUGH IDLE; IDLE SAG WHEN DECELERATING TO A STOP. *TT
090100A2000-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CUSTOMER MAY COMPLAIN OF AN OIL EMULSION ACCUMULATION INSIDE THE ENGINE OIL FILL HOUSING. *TT
140600A2000-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CUSTOMERS MAY EXPERIENCE A LONGER THAN NORMAL ENGINE CRANKING TIME PRIOR TO ENGINE START. *TT
0901002000-04-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING NORMAL ACCUMULATION OF A FOAMY OIL EMULSION IN THE 4.7L ENGINE OIL FILL HOUSING. *TT
1801002000-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT
8402000-02-24. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. OXYGEN SENSOR WIRING WHICH MAY CONTACT THE MINI-CATALYST. *TT
8391999-11-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EMISSIONS RECALL TO REPROGRAM YOUR VEHICLE'S POWERTRAIN CONTROL MODULE. *TT
0814991999-08-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONDITIONS WITH VEHICLE START AND STALL OR VEHICLE NO-START. *TT
1817991999-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH AN ENGINE DIE-OUT WHEN FOLLOWING AN ENGINE START, OR AN ENGINE STALL DURING A PARKING LOT MANEUVER. *TT
1816991999-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION REGARDING ENGINE START-UP IMPROVEMENTS TO COMPENSATE FOR SEASONAL CHANGES TO FUEL QUALITY. *TT
1815991999-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SEVERAL REVISIONS HAVE BEEN MADE TO THE IDLE STRATEGY OF THE 4.7L ENGINE. ONE CHANGE IS TO THE UPSTREAM OXYGEN SENSOR (O2) BIASING / SWITCHING WHEN THE TRANSMISSION IS IN PARK OR NEUTRAL. *TT
1814991999-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THE VEHICLE DRIVER MAY EXPERIENCE A DRONE LIKE NOISE DURING WARM ENGINE IDLING. *TT
1813991999-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXHIBITING AN ENGINE NO-START CONDITION. *TT
8071999-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EMISSIONS RECALL REGARDING INCORRECT VEHICLE EMISSION CONTROL INFORMATION (VECI) LABEL. *TT
1842981999-02-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES MAY EXHIBIT LONG CRANK TIMES (1 TO 1.5 SECONDS) WITH ENGINE TEMPERATURES BETWEEN 7 - 60 C ( 46- 140 F). *AK
1841981999-02-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN IDLE UNDERSHOOT CONDITION WHIL ETHE VEHICLE IS SLOWLY MOVING AT 1-2 MPH IN LOW RANGE FOUR WHEEL DRIVE WITH THE THROTTLE CLOSED. *YC
1840981999-02-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT HIGH IDLE RPM DURING DECELERATION AND/ OR PARKING LOT MANEUVERS WHEN THE ENGINE COOLANT TEMPERATURE IS GREATER THAN 103 C (217 F). *YC
1845981999-02-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT AN ENGINE VIBRATION, REPEATING " BEAT " LIKE SOUND, OR A " DRONE " LIKE SOUND WITH A WARM ENGINE DURING IDLE. *YC

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