Service bulletin PIP5504
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 | 10118277 |
| Published by NHTSA | 2017-10-04 |
| Manufacturer's number | PIP5504 |
| Manufacturer's date | 2017-06-19 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER |
NHTSA's summary
This Preliminary Information communication provides information and definitionsto the technician about vehicles that have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed and no debris is found in the transmission fluid pan the technicians are instructed to flush the transmission fluid three times. If debris is found in the transmission fluid pan the technicians are instructed to also replace the torque converter.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Transmission and driveline, Automatic transmission, Torque converter
| CHEVROLET SILVERADO | 2017 |
|---|---|
| CHEVROLET SILVERADO 2500 | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2016, 2017 |
| CHEVROLET TAHOE | 2016, 2017 |
| GMC SIERRA DENALI | 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON DENALI | 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| 17337-01 | 2021-04-29. Service bulletin. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle braking. Correction Program the engine control module, and transmission control module when applicable. |
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