Service bulletin 1801601
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 620921 |
| Published by NHTSA | 2001-09-04 |
| Manufacturer's number | 1801601 |
| Manufacturer's date | 2001-07-13 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
NHTSA's summary
SOME CUSTOMERS MAY EXPERIENCE AN EXHAUST BOOM-LIKE SOUND IN THE PASSENGER COMPARTMENT WHEN THE ENGINE IS IDLING. *TT
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
Engine, Exhaust and emissions
| JEEP CHEROKEE | 2000, 2001 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2002074 | 2002-04-17. Engine |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| R2118796A | 2021-05-03. Service bulletin. Valve Body. These may cause over drive cycling. |
|---|---|
| 1803903 | 2004-03-10. Service bulletin. ROUGH IDLE DUE TO HIGH AMBIENT OR HOT SOAK TEMPERATURES. THIS CONDITION MAY BE MOST NOTICEABLE WHEN THE ENGINE IS RESTARTED FOLLOWING A 10 TO 20 MINUTE HEAT SOAK IN HOT AMBIENT CONDITIONS OF APPROXIMATELY 32 DEGREES C OR HIGHER. *TT |
| 1803103 | 2003-11-11. Service bulletin. 4.0L ROUGH ENGINE IDLE AFTER RESTART FOLLOWING A HOT SOAK. *TT |
| 0900303 | 2003-10-23. Service bulletin. 4.0L MULTIPLE CYLINDER MISFIRE. *TT |
| 0900301 | 2001-10-05. Service bulletin. THIS BULLETIN REINFORCES A REQUIREMENT TO CEASE THE CURRENT PRACTICE OF USING SUPPLEMENTAL OIL ADDITIVE TREATMENTS IN ALL DAIMLERCHRYSLER ENGINES. *TT |
| 2500401 | 2001-07-11. Service bulletin. SUBJECT REGARDING ADDITIONAL DIAGNOSTIC FOR DIAGNOSTIC TROUBLE CODES CAUSED BY AN EVAPORATIVE SYSTEM LEAK. *TT |
| 1801301 | 2001-07-11. Service bulletin. SOME VEHICLE ENGINES MAY EXHIBIT A ROUGH IDLE AND / OR MALFUNCTION INDICATOR LAMP (MIL) LIGHT ON CONDITION UPON INITIAL START-UP AFTER A COLD SOAK WHEN TEMPERATURES ARE BELOW 50 DEGREES F (10 DEGREES C). THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *TT |
| 0900301 | 2001-07-11. Service bulletin. THIS BULLETIN REINFORCES A REQUIREMENT TO CEASE THE CURRENT PRACTICE OF USING SUPPLEMENTAL OIL ADDITIVE TREATMENTS IN ALL DIAMLER CHRYSLER ENGINES. *TT |
| 8591/8592 | 2000-05-09. Service bulletin. SUBJECT REGARDING THE ON-BOARD DIAGNOSTIC (OBD) SYSTEM ON ABOUT 309,000 VEHICLES LOCATED OUT OF CALIFORNIA AND VEHICLES LOCATED IN CALIFORNIA WILL NOT DETECT A CATALYST FAILURE AS REQUIRED BY FEDERAL AND CALIFORNIA REGULATIONS. *TT |
| 180100 | 2000-04-12. Service bulletin. SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT |