Service bulletin 21NA117
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 | 10199277 |
| Published by NHTSA | 2021-07-19 |
| Manufacturer's number | 21NA117 |
| Manufacturer's date | 2021-05-17 |
| NHTSA component | ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
NHTSA's summary
This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio Software Update Version GB108.2 for vehicles equipped with Infotainment system RPO IOS or IOT, in addition to providing general robustness and stability enhancements.
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
Driver assistance
| CADILLAC CT4 | 2020 |
|---|---|
| CADILLAC CT5 | 2020 |
| CHEVROLET CORVETTE | 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25-NA-118 | 2025-09-10. Service bulletin. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues. |
|---|---|
| PIT5551P | 2024-12-05. Service bulletin. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". |
| PIT6007A | 2023-06-13. Service bulletin. This Preliminary information communicates an issue with a SES MIL on and DTC U0139 set in the ECM. Dealers are to cycle the power to the suspension control module to correct this issue. |
| PIT5832H | 2023-06-13. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIP5914 | 2023-04-17. Service bulletin. This Preliminary information communicates to dealers that an engine/exhaust whoosh noise condition heard during active fuel management transition is considered a design characteristic. |
| PIT5832G | 2023-04-17. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| 21-NA-091 | 2023-02-08. Service bulletin. This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display. |
| 22-NA-126 | 2022-07-12. Service bulletin. This service bulletin provides repair information to correct a customer concern of Automatic Emergency Braking (AEB) Forward Collision Icon Lamp On with No DTCs Present. |
| PIP5841A | 2022-06-13. Service bulletin. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set. |
| 070601016G | 2022-06-13. Service bulletin. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. |