Service bulletin 01843
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 | 10007961 |
| Published by NHTSA | 2004-07-19 |
| Manufacturer's number | 01843 |
| Manufacturer's date | 2004-01-01 |
| Replaces | 01843A |
| NHTSA component | POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
NHTSA's summary
CALIBRATION FOR IMPROVED TRANSFER CASE OPERATION IN AWD MODE. *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
Transmission and driveline, Transfer case
| BUICK RAINIER | 2004 |
|---|---|
| CHEVROLET TRAILBLAZER | 2002, 2003, 2004 |
| GMC ENVOY | 2002, 2003, 2004 |
| OLDSMOBILE BRAVADA | 2002, 2003, 2004 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 01V334000 | 2001-10-17. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
|---|---|
| 01V283000 | 2001-09-05. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| PIP3366C | 2018-08-20. Service bulletin. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation. |
|---|---|
| 05-04-21-003 | 2005-11-09. Service bulletin. SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE |
| 040421004 | 2005-11-08. Service bulletin. 4WD SWITCH INDICATOR LIGHTS FLASHING, 4WD INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0550 SET. *TT |
| 3424 | 2005-11-02. Service bulletin. ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT |
| 3351 | 2005-05-11. Service bulletin. INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT |
| 3349 | 2005-05-10. Service bulletin. 4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT |
| 09132002 | 2004-09-30. Service bulletin. THIS MESSAGE COVERS COMMENTS THAT THE SERVICE FOUR-WHEEL DRIVE INDICATOR IS ILLUMINATED OR FOUR-WHEEL DRIVE IS INOPERABLE. *TT |
| 3012B | 2004-08-23. Service bulletin. THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO MODE MAY EXHIBIT A CONDITION OF A VIBRATION/SHUDDER DURING LOW SPEED TURNS SUCH AS A PARKING LOT MANEUVER, UP TO APPROXIMATELY 5 MPH. *TT 3012A NOT YET RECEIVED. *TT |
| 030421006 | 2003-12-04. Service bulletin. SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, HARSH ENGAGEMENT OF 4WD, NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE (TCCM), TCCM DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET. *TT |
| 020421006C | 2003-12-04. Service bulletin. INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT |