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Chevrolet B3125

• Damage or displaced foam connector seal. • Water leak

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is recommended because the verified bulletin associates B3125 with BCM-related inoperative or unwanted activation concerns and potential water intrusion. The supplied evidence does not state whether service is mandatory or urgent.
Confidence95%

Quick answer

For a 2024 Chevrolet Equinox in the US, DTC B3125 is documented in GM bulletin 23-NA-046 as a Body Control Module (BCM) code. The bulletin identifies a damaged or displaced foam connector seal and/or a water leak as causes of the condition addressed.

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

Video guides

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DTC Chevrolet B3125-02 Short ExplanationMaxidot Chevrolet
DTC Chevrolet B3125-00 Short ExplanationMaxidot Chevrolet

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

1. What does B3125 mean?

For a 2024 Chevrolet Equinox in the US, DTC B3125 is documented in GM bulletin 23-NA-046 as a Body Control Module (BCM) code. The bulletin identifies a damaged or displaced foam connector seal and/or a water leak as causes of the condition addressed.

2. Technical explanation

NHTSA-hosted GM manufacturer communication 23-NA-046 states that technicians may find B3125 set in the BCM. The communication lists damage or displacement of a foam connector seal and a water leak as causes. The supplied evidence does not establish the specific component function, connector location, diagnostic steps, or repair procedure for every occurrence of B3125.

3. What system is affected?

Body Control Module (BCM), according to GM bulletin 23-NA-046.

4. How serious is this code?

Unknown. The supplied verified evidence does not provide a severity classification.

5. Symptoms you may notice

  • The bulletin describes an inoperative condition and/or unwanted activation.
  • No further symptom detail is established by the supplied verified evidence.

6. Possible causes

  • Damage or displacement of a foam connector seal.
  • Water leak.

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 by a Chevrolet/GM service provider.
  • Avoid attempting electrical connector or water-intrusion repairs yourself unless performed by qualified service personnel.
  • Record any inoperative function or unwanted activation and the conditions under which it occurs.

10. Step-by-step troubleshooting

  1. Have a qualified technician check for B3125 stored in the BCM.
  2. Have the vehicle inspected for the foam connector-seal damage or displacement and for water leakage described in GM bulletin 23-NA-046.
  3. Further troubleshooting steps are not established by the supplied verified evidence.

11. When to contact service

Service is recommended because the verified bulletin associates B3125 with BCM-related inoperative or unwanted activation concerns and potential water intrusion. The supplied evidence does not state whether service is mandatory or urgent.

12. What the service center may check

  • Confirm B3125 is present in the BCM.
  • Inspect for a damaged or displaced foam connector seal.
  • Inspect for a water leak, consistent with GM bulletin 23-NA-046.

13. Possible repair or resolution

  • The specific repair resolution is not established by the supplied verified evidence.
  • A qualified Chevrolet/GM technician should determine the appropriate correction after inspection.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM bulletin 23-NA-046, published January 18, 2024 and hosted by NHTSA as manufacturer communication MC-10249764-0001. It lists B3125, B3130, and B3135 as BCM DTCs that may be found with an inoperative condition and/or unwanted activation. The listed causes are a damaged or displaced foam connector seal and a water leak.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA-hosted GM manufacturer communication 23-NA-046 (MC-10249764-0001), published January 18, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10249764-0001.pdf

19. Frequently asked questions

What does Chevrolet code B3125 mean?

For the covered 2024 Chevrolet Equinox application, GM bulletin 23-NA-046 identifies B3125 as a BCM DTC associated in that bulletin with a damaged or displaced foam connector seal and/or a water leak.

What vehicles are supported by the supplied evidence?

The supplied applicability evidence supports the 2024 Chevrolet Equinox in the United States.

Can I drive with B3125?

Not yet established by verified evidence.

Can I charge with B3125?

Not yet established by verified evidence.

Is B3125 subject to a recall?

No recall is established by the supplied verified evidence.

20. Sources & verification

Verified
Chevrolet B3125: • Damage or displaced foam connector seal. • Water leak | EV Diagnostics