Verified EV diagnostic knowledge page

Chevrolet B101D-F0

GMTAC Ordering Process for All Canada Orders or USA Orders with OTA Version 6708 If the Over-the-Air Version equals 6708, document answers to all of the questions in the Ordering T

Common search variants: B101DF0 · B101D F0 · B101D_F0 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Chevrolet/GM service provider for VCIM and OnStar communication-system diagnosis, particularly if the code followed module or cable installation work.
Confidence95%

Quick answer

For applicable U.S. 2011–2014 Chevrolet Spark and Volt vehicles, B101D-F0 is documented in an OnStar VCIM installation context. It may set current with a red LED when the antenna and cellular cables are connected incorrectly at the splitter.

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.

DTC Chevrolet B101D-F0 Short ExplanationMaxidot
DTC Buick B101D-F0 Short ExplanationMaxidot Mazda

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

1. What does B101D-F0 mean?

For applicable U.S. 2011–2014 Chevrolet Spark and Volt vehicles, B101D-F0 is documented in an OnStar VCIM installation context. It may set current with a red LED when the antenna and cellular cables are connected incorrectly at the splitter.

2. Technical explanation

Verified NHTSA manufacturer communications state that, during VCIM module installation, incorrect installation of the antenna cable and cellular cable to the splitter may result in a red LED and current DTCs B101D-3C and B101D-F0 in the OnStar VCIM. The communications also state that the upgrade splitter is additional hardware installed at the VCIM and that existing splitters, if present, should not be removed during installation.

3. What system is affected?

OnStar Vehicle Communication Interface Module (VCIM), including its splitter, antenna cable, and cellular cable connections.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • A red LED may be observed during VCIM installation.
  • B101D-F0 may be stored as a current DTC in the OnStar VCIM.
  • B101D-3C may also be stored as a current DTC.

6. Possible causes

  • Incorrect installation of the antenna cable and cellular cable to the splitter during VCIM installation.

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 by a qualified Chevrolet/GM service provider.
  • Provide the technician with DTC B101D-F0 and note whether VCIM, OnStar, antenna, cellular-cable, or splitter work was recently performed.
  • Do not remove existing splitters as part of an upgrade-splitter installation; the verified communication states the upgrade splitter is additional hardware.

10. Step-by-step troubleshooting

  1. Verify applicable vehicle coverage: U.S. 2011–2014 Chevrolet Spark or Volt.
  2. Inspect VCIM installation work using the applicable manufacturer procedure.
  3. Verify that the antenna cable and cellular cable are connected to the splitter correctly.
  4. Verify that an upgrade splitter, if installed, is present as additional hardware and that existing splitters were not removed.

11. When to contact service

Contact a Chevrolet/GM service provider for VCIM and OnStar communication-system diagnosis, particularly if the code followed module or cable installation work.

12. What the service center may check

  • Check the OnStar VCIM for current B101D-F0 and B101D-3C.
  • Check the VCIM splitter connections for correct antenna-cable and cellular-cable installation.
  • Check installation configuration against the applicable GM manufacturer communication.

13. Possible repair or resolution

  • Correct the antenna-cable and cellular-cable connections at the splitter if they were installed incorrectly.
  • Retain existing splitters when installing the upgrade splitter, as directed by the manufacturer communication.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 15-08-44-001I, published March 21, 2017: documents B101D-F0 and B101D-3C as possible current VCIM DTCs when antenna and cellular cables are incorrectly installed at the splitter.
  • NHTSA Manufacturer Communication 150844001J, published September 11, 2019: repeats the VCIM splitter installation guidance and the possible B101D-F0/B101D-3C condition.
  • Official documents: https://static.nhtsa.gov/odi/tsbs/2017/MC-10138019-9999.pdf ; https://static.nhtsa.gov/odi/tsbs/2019/MC-10166666-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified evidence is from NHTSA-hosted Chevrolet/GM manufacturer communications concerning VCIM installation procedures for applicable vehicles.

19. Frequently asked questions

What does B101D-F0 indicate in the verified Chevrolet evidence?

It is documented as a current OnStar VCIM DTC that may occur with B101D-3C when the antenna and cellular cables are incorrectly installed at the splitter during VCIM installation.

Which vehicles are covered by the supplied evidence?

U.S. 2011–2014 Chevrolet Spark and U.S. 2011–2014 Chevrolet Volt.

Should an existing splitter be removed when installing the upgrade splitter?

No. The manufacturer communication states that the upgrade splitter is additional hardware at the VCIM and that existing splitters, if present, should not be removed.

Does this evidence say whether the vehicle is safe to drive or charge?

Not yet established by verified evidence.

20. Sources & verification

Verified
Chevrolet B101D-F0: GMTAC Ordering Process for All Canada Orders or… | EV Diagnostics