Manufacturer Communications
Vehicles / Chevrolet / Trailblazer / 2021
| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 21NA017 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarte |
| N202321841 | CHEVROLET | TRAILBLAZER | 2021 | Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with th |
| N202321841 02 | CHEVROLET | TRAILBLAZER | 2021 | |
| N202321841 01 | CHEVROLET | TRAILBLAZER | 2021 | |
| 20NA121 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant.<br /> |
| 20NA120 | CHEVROLET | TRAILBLAZER | 2021 | This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the tr |
| 20NA084 | CHEVROLET | TRAILBLAZER | 2021 | This informational bulletin advises of normal engine noise produced by the engine.<br /> |
| 19NA200 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.<br /> |
| PIP5675E | CHEVROLET | TRAILBLAZER | 2021 | |
| PIP5704D | CHEVROLET | TRAILBLAZER | 2021 | |
| PIP5739 | CHEVROLET | TRAILBLAZER | 2021 | |
| 20NA135 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio.<br /> |
| PIP5734 | CHEVROLET | TRAILBLAZER | 2021 | This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.<br /> |
| PIP5746 | CHEVROLET | TRAILBLAZER | 2021 | |
| 19NA200 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illumina |
| PIP5675D | CHEVROLET | TRAILBLAZER | 2021 | |
| 20NA186 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides repair information to correct a customer concern of an Unwanted Electric Park Brake Setting.<br /> |
| 16NA019 | CHEVROLET | TRAILBLAZER | 2021 | This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.<br /> |
| A202299960 01 | CHEVROLET | TRAILBLAZER | 2021 | Service Update - The gear shift lever may have a detent feel between Park and Reverse caused by the fastening bolt that is not fully seated and contac |
| A202304840 | CHEVROLET | TRAILBLAZER | 2021 | SUB - Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OC |
| A202302140 01 | CHEVROLET | TRAILBLAZER | 2021 | Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD |
| PIC6416A | CHEVROLET | TRAILBLAZER | 2021 | This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and the |
| PIP5692A | CHEVROLET | TRAILBLAZER | 2021 | |
| PIP5691A | CHEVROLET | TRAILBLAZER | 2021 | |
| A202301230 | CHEVROLET | TRAILBLAZER | 2021 | SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (C |
| 20NA151 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides a procedure to correct conditions of Engine Idle Unstable, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0011, |
| 20NA135 | CHEVROLET | TRAILBLAZER | 2021 | This technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, |
| 20NA028 | CHEVROLET | TRAILBLAZER | 2021 |
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