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Volvo Power Reduced

Power Reduced

DriveUnknown. If the vehicle cannot engage any gear, it cannot be driven until the condition is resolved.
ChargeUnknown. The supplied evidence concerns the onboard charger, high-voltage function, but does not establish whether charging is available or safe during this condition.
ServiceContact an authorized Volvo service provider, particularly if the vehicle cannot engage any gear or if “Power Reduced” is displayed with both BECM-P2C871A and VCU1-P128300 present.
Confidence90%

Quick answer

For 2025–2026 Volvo EX30 vehicles in the US, a “Power Reduced” message is addressed by a Volvo service communication when the vehicle also cannot engage any gear and both BECM-P2C871A and VCU1-P128300 diagnostic trouble codes are present. The communication concerns the onboard charger, high-voltage function.

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 Power Reduced mean?

For 2025–2026 Volvo EX30 vehicles in the US, a “Power Reduced” message is addressed by a Volvo service communication when the vehicle also cannot engage any gear and both BECM-P2C871A and VCU1-P128300 diagnostic trouble codes are present. The communication concerns the onboard charger, high-voltage function.

2. Technical explanation

Verified Volvo manufacturer communications describe a specific diagnostic condition: the Driver Information Module (DIM) displays “Power Reduced,” the vehicle cannot engage any gear, and both BECM-P2C871A and VCU1-P128300 are stored. Under that combined condition, the communication directs service personnel to follow its Service guidance. The supplied evidence does not establish that every “Power Reduced” message has this cause or requires the same repair.

3. What system is affected?

Onboard charger, high-voltage function.

4. How serious is this code?

Unknown. The supplied diagnostic record does not establish a severity level.

5. Symptoms you may notice

  • “Power Reduced” message displayed in the DIM.
  • Vehicle cannot engage any gear, in the specific condition described by the Volvo manufacturer communications.
  • BECM-P2C871A and VCU1-P128300 are both present, in the specific condition described by the Volvo manufacturer communications.

6. Possible causes

  • Not yet established by verified evidence. The supplied communications identify a diagnostic scenario involving the onboard charger, high-voltage function, but do not provide a verified root cause in the supplied evidence.

7. Can I still drive the vehicle?

Unknown. If the vehicle cannot engage any gear, it cannot be driven until the condition is resolved.

8. Can I charge the vehicle?

Unknown. The supplied evidence concerns the onboard charger, high-voltage function, but does not establish whether charging is available or safe during this condition.

9. What you can safely do

  • If “Power Reduced” is displayed and the vehicle cannot engage a gear, arrange assessment by an authorized Volvo service provider.
  • Do not attempt high-voltage or onboard-charger repair yourself.
  • Provide the service provider with the message behavior and any available diagnostic information.

10. Step-by-step troubleshooting

  1. A qualified Volvo technician should check whether both BECM-P2C871A and VCU1-P128300 are present when the “Power Reduced” message and inability to engage a gear occur.
  2. If that exact combination is present, follow the Service guidance in the applicable Volvo manufacturer communication.

11. When to contact service

Contact an authorized Volvo service provider, particularly if the vehicle cannot engage any gear or if “Power Reduced” is displayed with both BECM-P2C871A and VCU1-P128300 present.

12. What the service center may check

  • Confirm the “Power Reduced” message in the DIM.
  • Confirm whether the vehicle can engage any gear.
  • Retrieve diagnostic trouble codes and confirm whether both BECM-P2C871A and VCU1-P128300 are present.
  • Apply the Service guidance in the applicable Volvo manufacturer communication when the specified combined condition is confirmed.

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied excerpts state to follow the manufacturer communication’s Service advice, but do not include the repair procedure or final resolution.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Volvo manufacturer communication 37771.1.0, NHTSA Manufacturer Communication 11031106, published March 19, 2026. It addresses a 2025–2026 US Volvo EX30 that cannot engage any gear or displays “Power Reduced” in the DIM when BECM-P2C871A and VCU1-P128300 are both present.
  • Volvo manufacturer communication 37771.2.0, NHTSA Manufacturer Communication 11032677, published April 22, 2026. It contains the same supplied description for the specified condition.

16. Recall information

  • Not yet established by verified evidence. No recall information was supplied.

17. Official manufacturer information

Official source: NHTSA-hosted Volvo manufacturer communications 11031106 (37771.1.0) and 11032677 (37771.2.0): https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11031106 and https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11032677

19. Frequently asked questions

What does “Power Reduced” mean on a 2025–2026 US Volvo EX30?

The supplied diagnostic record defines the alert as “Power Reduced.” In a specific Volvo service communication scenario, it appears with an inability to engage any gear and with both BECM-P2C871A and VCU1-P128300 present.

Does every “Power Reduced” message indicate an onboard-charger issue?

Not yet established by verified evidence. The supplied communications concern an onboard-charger, high-voltage diagnostic scenario, but do not establish that it applies to every occurrence of the message.

Can I drive the vehicle?

Driveability is unknown from the supplied evidence. If the vehicle cannot engage any gear, it cannot be driven until the condition is resolved.

What codes are relevant to the Volvo service communication?

The communication specifies that both BECM-P2C871A and VCU1-P128300 must be present along with the described message or no-gear condition.

20. Sources & verification

Verified
Volvo Power Reduced: Power Reduced | EV Diagnostics