Service bulletin 181000
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 | 617645 |
| Published by NHTSA | 2001-03-21 |
| Manufacturer's number | 181000 |
| Manufacturer's date | 2000-10-18 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
ENGINEERING IS INVESTIGATING HARSH ONE-TWO SHIFT ON THE 4L60E AUTOMATIC TRANSMISSION. THIS INVESTIGATION IS FOCUSED ON HARSH ONE-TWO SHIFTS ON 2000 MODEL YEAR SILVERADO AND SIERRA EQUIPPED WITH 4L60E AUTOMATIC TRANSMISSION. *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, Automatic transmission, Transmission control module
| CHEVROLET SIERRA | 2000 |
|---|---|
| CHEVROLET SILVERADO | 2000 |
| GMC SIERRA | 2000 |
| GMC SILVERADO | 2000 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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|---|---|
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| PIP5340A | 2017-03-21. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU HAVE DUPLICATED THE CUSTOMER’S CONCERN AND FOUND DIAGNOSTIC TROUBLE CODE P0894 OR P1870 SET IN THE TRANSMISSION CONTROL MODULE PLEASE CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. |
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| 3047 | 2004-11-05. Service bulletin. 00-01 4L80-E AUTOMATIC TRANSMISSION MAY EXPERIENCE A HARSH TCC APPLY AND/OR DIAGNOSTIC TROUBLE CODE P1870 OR P074. *TC |
| 3047 | 2004-09-28. Service bulletin. HARSH TCC APPLY AND OR A DIAGNOSTIC TROUBLE CODE P1870. 4L80E AUTOMATIC TRANSMISSION. *TT |
| 030730056 | 2004-03-04. Service bulletin. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT |
| 3259C | 2004-03-02. Service bulletin. 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT |
| 010730038B | 2004-02-10. Service bulletin. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT |
| 020730024A | 2002-10-11. Service bulletin. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT |