Verified EV diagnostic knowledge page

Chevrolet U1627

G111 and/or G112 may not be properly torqued. Correction: Inspect G111 and G112 to confirm they ar

DriveNot yet established by verified evidence. Because a stall is listed in the verified bulletin, arrange professional diagnosis rather than relying on continued operation.
ChargeNot yet established by verified evidence.
ServiceContact a Chevrolet dealer or qualified service facility, particularly if the vehicle has stalled, has a no-start condition, or produces a clicking starter when the Start button is pressed.
Confidence95%

Quick answer

For a 2025 Chevrolet Equinox in the US, DTC U1627 is covered by GM bulletin PIT6282/PIT6282A. The bulletin identifies G111 and/or G112 potentially not being properly torqued as the cause of a stall or a no-start with a clicking starter when the Start button is pressed.

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

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

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

1. What does U1627 mean?

For a 2025 Chevrolet Equinox in the US, DTC U1627 is covered by GM bulletin PIT6282/PIT6282A. The bulletin identifies G111 and/or G112 potentially not being properly torqued as the cause of a stall or a no-start with a clicking starter when the Start button is pressed.

2. Technical explanation

Verified manufacturer communication evidence links U1627 to an inspection of ground points G111 and G112. The supplied bulletin text states that these ground points may not be properly torqued and directs inspection to confirm their condition. The supplied evidence does not include the complete correction procedure or torque specification.

3. What system is affected?

Not yet established by verified evidence. The verified bulletin identifies ground points G111 and G112 but does not name a vehicle system in the supplied evidence.

4. How serious is this code?

Not yet established by verified evidence. However, the verified bulletin associates this condition with a stall or no-start condition.

5. Symptoms you may notice

  • Vehicle stall.
  • No-start condition.
  • Clicking starter when the Start button is pressed.

6. Possible causes

  • G111 and/or G112 may not be properly torqued.

7. Can I still drive the vehicle?

Not yet established by verified evidence. Because a stall is listed in the verified bulletin, arrange professional diagnosis rather than relying on continued operation.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • If the vehicle stalls or will not start, seek qualified Chevrolet service diagnosis.
  • Provide the technician with DTC U1627 and reference GM bulletin PIT6282 or PIT6282A.
  • Do not attempt high-voltage or electrical-system repairs without appropriate training and service information.

10. Step-by-step troubleshooting

  1. A qualified technician should inspect G111 and G112 as directed by the applicable GM bulletin.
  2. Confirm whether either identified ground point is improperly torqued.
  3. Use the complete applicable manufacturer bulletin and service information for any correction procedure.

11. When to contact service

Contact a Chevrolet dealer or qualified service facility, particularly if the vehicle has stalled, has a no-start condition, or produces a clicking starter when the Start button is pressed.

12. What the service center may check

  • Retrieve and document DTC U1627 and any accompanying DTCs.
  • Inspect G111 and G112 to confirm they are properly torqued, as directed by PIT6282/PIT6282A.
  • Follow the complete applicable GM service procedure; the supplied evidence does not provide torque values or further repair steps.

13. Possible repair or resolution

  • The verified bulletin directs inspection of G111 and G112 to confirm they are properly torqued.
  • The final repair resolution is not fully established by the supplied evidence because the bulletin excerpt is incomplete.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM PIT6282, published November 12, 2024; NHTSA manufacturer communication MC-11011192.
  • GM PIT6282A, published November 18, 2024; NHTSA manufacturer communication MC-11011319.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted manufacturer communication: PIT6282A, https://static.nhtsa.gov/odi/tsbs/2024/MC-11011319-0001.pdf

19. Frequently asked questions

What does U1627 mean on a 2025 Chevrolet Equinox?

The verified GM bulletin associates U1627 with G111 and/or G112 potentially not being properly torqued.

What symptoms can occur with U1627?

The verified bulletin lists a stall or a no-start with a clicking starter when the Start button is pressed.

Is U1627 covered by a service bulletin?

Yes. The supplied verified evidence identifies GM bulletins PIT6282 and PIT6282A for the 2025 Chevrolet Equinox in the US.

Can I charge the vehicle with U1627?

Not yet established by verified evidence.

20. Sources & verification

Verified
Chevrolet U1627: G111 and/or G112 may not be properly torqued.… | EV Diagnostics