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Chevrolet Propulsion Power is Reduced

Propulsion Power is Reduced

DriveNot yet established by verified evidence.
ChargeCharging may be limited: the verified communication states the battery will not charge above 30% SOC. Whether charging is otherwise safe is not yet established by verified evidence.
ServiceContact an authorized Chevrolet/GM service provider. The verified communication associates this condition with diagnostic P0BBD and a 30% SOC charging limit.
Confidence90%

Quick answer

For verified applicable Chevrolet Bolt EV and Bolt EUV vehicles, an official GM communication documents that “Propulsion Power is Reduced” may appear with the malfunction indicator lamp (MIL) on and charging limited to 30% state of charge after diagnostic code P0BBD. Driving and charging safety are not yet established by verified evidence.

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

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1. What does Propulsion Power is Reduced mean?

For verified applicable Chevrolet Bolt EV and Bolt EUV vehicles, an official GM communication documents that “Propulsion Power is Reduced” may appear with the malfunction indicator lamp (MIL) on and charging limited to 30% state of charge after diagnostic code P0BBD. Driving and charging safety are not yet established by verified evidence.

2. Technical explanation

The supplied official NHTSA-hosted GM communications, 22-NA-151, describe this message as a remedial action taken by the vehicle after diagnostic P0BBD. The documented condition includes a DIC message of “Propulsion Power is Reduced,” an illuminated MIL, and inability to charge above 30% SOC.

3. What system is affected?

Not yet established by verified evidence.

4. How serious is this code?

Unknown. The verified communication documents reduced propulsion power and a charging limit, but does not provide a severity classification.

5. Symptoms you may notice

  • Driver Information Center displays “Propulsion Power is Reduced.”
  • Malfunction Indicator Lamp (MIL) may be illuminated.
  • Battery may not charge above 30% state of charge.

6. Possible causes

  • Diagnostic code P0BBD is identified in the verified GM communication as the condition after which these remedial actions occur. A further underlying cause 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?

Charging may be limited: the verified communication states the battery will not charge above 30% SOC. Whether charging is otherwise safe is not yet established by verified evidence.

9. What you can safely do

  • Arrange diagnosis by an authorized Chevrolet/GM service provider.
  • Record the message, MIL status, and maximum achieved state of charge for the service visit.
  • Do not attempt high-voltage battery diagnosis or repair yourself.

10. Step-by-step troubleshooting

  1. Have a service provider check for diagnostic code P0BBD.
  2. Provide the service provider with GM communication 22-NA-151.

11. When to contact service

Contact an authorized Chevrolet/GM service provider. The verified communication associates this condition with diagnostic P0BBD and a 30% SOC charging limit.

12. What the service center may check

  • Check for diagnostic code P0BBD.
  • Evaluate the condition using GM communication 22-NA-151 procedures. Specific diagnostic steps are not included in the supplied verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM communication 22-NA-151, published through NHTSA as Manufacturer Communication 10250578 on February 15, 2024.
  • GM communication 22-NA-151, published through NHTSA as Manufacturer Communication 10252128 on March 22, 2024.
  • The communication documents a MIL, the “Propulsion Power is Reduced” DIC message, and charging limited to 30% SOC after P0BBD.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted GM manufacturer communications: 22-NA-151 (NHTSA IDs 10250578 and 10252128).

19. Frequently asked questions

What does “Propulsion Power is Reduced” mean in the verified GM communication?

It is documented as a remedial action after diagnostic P0BBD, potentially accompanied by an illuminated MIL and charging limited to 30% SOC.

Will the vehicle charge normally?

The verified communication states the battery will not charge above 30% SOC in the documented condition.

Can I continue driving?

Not yet established by verified evidence.

Which vehicles are covered by the supplied applicability data?

Chevrolet Bolt EV and Bolt EUV, model years 2017 through 2023, in the United States.

20. Sources & verification

Verified
Chevrolet Propulsion Power is Reduced: Propulsion Power is Reduced | EV Diagnostics