Technical Service Bulletin 120421001B — 2009 CHEVROLET AVALANCHE
UNKNOWN OR OTHER
Bulletin Details
| TSB ID | 120421001B |
| Manufacturer | |
| Vehicle | 2009 CHEVROLET AVALANCHE |
| Component | UNKNOWN OR OTHER |
| Communication Date |
Bulletin Summary
Transfer Case Identification First Design vs. Second Design
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2009 CHEVROLET AVALANCHE
PIT5821A
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13-02-32-001C
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120232001A
POWER TRAIN
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VEHICLE SPEED CONTROL:CRUISE CONTROL
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ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
08-259
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL