Verified EV diagnostic knowledge page

Chevrolet B0088

22-NA-038 Groups Customer Concern Not Duplicated Labor Operations Numbers Description Example of Proper Usage Note: If applicable record DTC code # in the verbatims Example of Impr

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Chevrolet dealer or qualified service provider if an airbag-related warning, OnStar airbag-module fault notification, or B0088 is present. The supplied evidence does not establish whether immediate towing or continued operation is appropriate.
Confidence95%

Quick answer

For 2022 Chevrolet Bolt EV and Bolt EUV vehicles in the US, B0088 appears in an official GM/NHTSA service bulletin as an airbag-module history code described there as “Internal Module Fault.” The supplied evidence does not establish a specific repair, current fault status, drivability, or charging impact.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

Watch Videos

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DTC Chevrolet B0088-3A Short ExplanationMaxidot Chevrolet
DTC Chevrolet B0088-39 Short ExplanationMaxidot Chevrolet
DTC Chevrolet B0088-0F Short ExplanationMaxidot Chevrolet

Videos are supporting material and never override OEM or regulator evidence.

1. What does B0088 mean?

For 2022 Chevrolet Bolt EV and Bolt EUV vehicles in the US, B0088 appears in an official GM/NHTSA service bulletin as an airbag-module history code described there as “Internal Module Fault.” The supplied evidence does not establish a specific repair, current fault status, drivability, or charging impact.

2. Technical explanation

The verified source is GM bulletin 22-NA-038, published through NHTSA on April 25, 2022. Its included example states: “Customer states got a message from OnStar that there is a fault with the Airbag Module… Checked Air Bag History Code B0088 Internal Module Fault. Cleared Code Road Tested No messages or Codes returned at this time.” This bulletin is focused on documenting customer concerns that cannot be duplicated; it does not provide a B0088 diagnostic or repair procedure in the supplied evidence.

3. What system is affected?

Airbag module, based on the wording in the verified bulletin example.

4. How serious is this code?

Unknown. The supplied evidence does not assign a severity level.

5. Symptoms you may notice

  • An OnStar message reporting a fault with the Airbag Module is described in the verified bulletin example.
  • B0088 may be stored as a history code, as described in the verified bulletin example.

6. Possible causes

  • The verified bulletin example labels B0088 as “Internal Module Fault.”
  • A root cause beyond that label is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Arrange professional diagnosis if an airbag-module warning or OnStar fault message is present.
  • Record the warning message and whether B0088 is current or history information for the service visit.
  • Do not attempt airbag-module or high-voltage-system repairs yourself.

10. Step-by-step troubleshooting

  1. The verified example reports that the history code was cleared and a road test was performed; no messages or codes returned in that specific example.
  2. Whether that result applies to another vehicle is not yet established by verified evidence.
  3. No additional diagnostic steps are established by the supplied evidence.

11. When to contact service

Contact a Chevrolet dealer or qualified service provider if an airbag-related warning, OnStar airbag-module fault notification, or B0088 is present. The supplied evidence does not establish whether immediate towing or continued operation is appropriate.

12. What the service center may check

  • Confirm whether B0088 is current or stored as history.
  • Evaluate the reported airbag-module fault message.
  • The supplied bulletin example cleared the code and road-tested the vehicle, with no return of messages or codes in that example.

13. Possible repair or resolution

  • No B0088 repair resolution is established by the supplied verified evidence.
  • In the documented bulletin example, the code was cleared and did not return during the reported road test.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM Bulletin 22-NA-038, published April 25, 2022 through NHTSA as Manufacturer Communication PDF 10211073. It concerns documentation of customer concerns not duplicated and includes an example involving history code B0088 described as “Internal Module Fault.”

16. Recall information

  • No recall information is supplied or established by the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 10211073, GM Bulletin 22-NA-038: https://static.nhtsa.gov/odi/tsbs/2022/MC-10211073-0001.pdf

19. Frequently asked questions

What does B0088 mean on a 2022 Chevrolet Bolt EV or Bolt EUV?

The supplied official bulletin example describes B0088 as an airbag history code labeled “Internal Module Fault.”

Does B0088 mean the vehicle is unsafe to drive?

Not yet established by verified evidence.

Can the vehicle be charged with B0088?

Not yet established by verified evidence.

Does bulletin 22-NA-038 provide a repair for B0088?

No. In the supplied evidence, the bulletin provides no B0088 repair procedure; its example reports clearing the history code and performing a road test with no code or message returning in that example.

20. Sources & verification

ReferenceVerified
Chevrolet B0088: 22-NA-038 Groups Customer Concern Not Duplicated… | EV Diagnostics