# Service bulletin 21NA283

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: 10207920
- Published by NHTSA: 2022\-02\-14
- Manufacturer's number: 21NA283
- Manufacturer's date: 2021\-12\-06
- NHTSA component: ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); SUSPENSION; AIR BAGS

## NHTSA's summary

This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center \(DIC\) with DTC C103C and/or C103E Symptom 64 Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10207920-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10207920-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Air bags, Driver assistance, Suspension

## Trouble codes named

C103C, C103E

## Vehicles listed

- 2020 to 2022 CHEVROLET CORVETTE

## Recalls for the same vehicles and component

- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
- [2021348](/recalls/tc/2021348.md), 2021-06-03: Airbag

## Other bulletins for the same vehicles and component

- [25\-NA\-118](/bulletins/11023051.md), 2025-09-10, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. 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.
- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [05\-03\-07\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [22\-NA\-132](/bulletins/11010570.md), 2024-11-15, Service bulletin: ELECTRICAL SYSTEM; SUSPENSION. This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle and should not be submitted as a warranty repair whenever there is a customer concern of a Service Front Lift System Message on DIC or fluid leaking from shocks.
- [17\-NA\-087](/bulletins/11009461.md), 2024-10-29, Service bulletin: WHEELS; SUSPENSION. This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
- [05\-03\-08\-002J](/bulletins/11007936.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [05\-03\-08\-002J](/bulletins/11007935.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [15\-00\-89\-004G](/bulletins/11000119.md), 2024-05-15, Service bulletin: ENGINE; SUSPENSION; POWER TRAIN. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
- [24\-NA\-066](/bulletins/10252993.md), 2024-04-10, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE. This service bulletin provides repair information for technicians that may be Unable to Complete Serial Data Authentication on the vehicle.
- [22\-NA\-132](/bulletins/10250252.md), 2024-02-14, Service bulletin: SUSPENSION. This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle and should not be submitted as a warranty repair whenever there is a customer concern of a Service Front Lift System Message on DIC or fluid leaking from shocks.

JSON: [/v1/bulletins/10207920](/v1/bulletins/10207920)

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