| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| PIT5794 | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates a concern where the wrong part number was being installed causing XM and Audio concerns. This PI explains th |
| 17NA134 | CHEVROLET | COLORADO | 2021 | This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.<br /> |
| 16NA206 | CHEVROLET | COLORADO | 2021 | This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a |
| 16NA017 | CHEVROLET | COLORADO | 2021 | This informational bulletin provides information ticking noise and/or noise when turning vehicle off.<br /> |
| PIP5416D | CHEVROLET | COLORADO | 2021 | |
| 19NA136 | CHEVROLET | COLORADO | 2021 | This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration |
| PIT5790A | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is inves |
| PIT5516F | CHEVROLET | COLORADO | 2021 | |
| PIT5600C | CHEVROLET | COLORADO | 2021 | This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the si |
| PIT5626C | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IP |
| PIT5512B | CHEVROLET | COLORADO | 2021 | |
| PIP5779A | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates possible diagnostic information for lean codes setting on 2021 31XXN trucks at very low mileage while engine |
| PIT5696E | CHEVROLET | COLORADO | 2021 | This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induce |
| PIT5705A | CHEVROLET | COLORADO | 2021 | |
| 17NA394 | CHEVROLET | COLORADO | 2021 | This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.<br /> |
| PIP5771B | CHEVROLET | COLORADO | 2021 | |
| 20NA082 | CHEVROLET | COLORADO | 2021 | This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards.<br /> |
| PIT5790A | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is inves |
| 20NA156 | CHEVROLET | COLORADO | 2021 | This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern.<br /> |
| PIT5516F | CHEVROLET | COLORADO | 2021 | |
| PIT5600C | CHEVROLET | COLORADO | 2021 | This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the si |
| PIT5626C | CHEVROLET | COLORADO | 2021 | This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IP |
| PIT5512B | CHEVROLET | COLORADO | 2021 | |
| 19NA136 | CHEVROLET | COLORADO | 2021 | This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration |
| 20NA052 | CHEVROLET | COLORADO | 2021 | This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side ce |
| 19NA007 | CHEVROLET | COLORADO | 2021 | This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern.<br /> |
| PIT5605C | CHEVROLET | COLORADO | 2021 | |
| 20NA187 | CHEVROLET | COLORADO | 2021 | This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehic |
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