Verified EV diagnostic knowledge page

Chevrolet B2470

04 set in the Vehicle Communication Interface Module also a red LED on the OnStar keypad will be on. Technician will need to follow publish

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Chevrolet dealer or qualified service provider for diagnosis following the applicable published diagnostic information.
Confidence95%

Quick answer

For applicable 2014–2015 Chevrolet Spark and Volt vehicles in the US, DTC B2470-04 may be associated with a vehicle that will not connect to OnStar and a red LED illuminated on the OnStar keypad. The referenced manufacturer communication directs technicians to follow published diagnostic information.

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 B2470 mean?

For applicable 2014–2015 Chevrolet Spark and Volt vehicles in the US, DTC B2470-04 may be associated with a vehicle that will not connect to OnStar and a red LED illuminated on the OnStar keypad. The referenced manufacturer communication directs technicians to follow published diagnostic information.

2. Technical explanation

Verified NHTSA manufacturer communication PIC6024 states that technicians may find B2470-04 stored in the Vehicle Communication Interface Module when the vehicle will not connect to OnStar. The communication also identifies a red LED on the OnStar keypad as an accompanying condition. The supplied evidence does not establish a component-level fault cause or a specific repair.

3. What system is affected?

Vehicle Communication Interface Module / OnStar communication system.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Vehicle will not connect to OnStar.
  • A red LED on the OnStar keypad may be illuminated.
  • DTC B2470-04 may be set in the Vehicle Communication Interface Module.

6. Possible causes

  • 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 diagnosis using published manufacturer diagnostic information if the vehicle will not connect to OnStar and B2470-04 is present.
  • Do not attempt high-voltage system repair based on this code; the supplied evidence concerns the Vehicle Communication Interface Module and OnStar connectivity.

10. Step-by-step troubleshooting

  1. Confirm whether B2470-04 is present in the Vehicle Communication Interface Module.
  2. Confirm whether the vehicle will connect to OnStar and whether the OnStar keypad red LED is illuminated.
  3. Follow the published diagnostic information referenced by Chevrolet communication PIC6024.

11. When to contact service

Contact a Chevrolet dealer or qualified service provider for diagnosis following the applicable published diagnostic information.

12. What the service center may check

  • Retrieve and verify B2470-04 in the Vehicle Communication Interface Module.
  • Check the reported OnStar connection condition.
  • Check for the red LED condition on the OnStar keypad.
  • Follow published diagnostic information, as directed by PIC6024.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10112205, Chevrolet PIC6024, published August 29, 2014. It provides technician information for vehicles that will not connect to OnStar and may have B2470-04 in the Vehicle Communication Interface Module plus a red OnStar keypad LED.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10112205, Chevrolet PIC6024: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2015-2019.zip#nhtsa_id=10112205

19. Frequently asked questions

What does B2470-04 indicate on an applicable Chevrolet Spark or Volt?

The supplied manufacturer communication associates B2470-04 in the Vehicle Communication Interface Module with a vehicle that will not connect to OnStar and may have a red LED on the OnStar keypad.

Which vehicles are supported by the supplied evidence?

US-market 2014–2015 Chevrolet Spark and 2014–2015 Chevrolet Volt vehicles.

Is it safe to drive or charge with B2470-04?

Not yet established by verified evidence.

What repair fixes B2470-04?

Not yet established by verified evidence. PIC6024 directs technicians to follow published diagnostic information.

20. Sources & verification

Verified
Chevrolet B2470: 04 set in the Vehicle Communication Interface Module… | EV Diagnostics