Chevrolet C12FE
15 VOLT, 2014-15 SPARK EV, 2014-16 ELR. *PE
Quick answer
C12FE is documented by General Motors/NHTSA communication PIC-6103 in connection with the Service Stability lamp. The supplied evidence identifies 2014–2015 Spark EV and 2014–2016 ELR in the communication title; it also identifies 2011–2015 Volt. The diagnostic record title describes C12FE as “15 VOLT.”
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 C12FE mean?
C12FE is documented by General Motors/NHTSA communication PIC-6103 in connection with the Service Stability lamp. The supplied evidence identifies 2014–2015 Spark EV and 2014–2016 ELR in the communication title; it also identifies 2011–2015 Volt. The diagnostic record title describes C12FE as “15 VOLT.”
2. Technical explanation
Verified evidence links C12FE to GM communication PIC-6103, titled “Information Regarding Service Stability Lamp Being On and History or Current Diagnostic Trouble Codes (DTCs) C012E, C12FE.” The supplied evidence does not provide a component-level fault definition, diagnostic test procedure, or confirmed repair for C12FE.
3. What system is affected?
The source associates C12FE with the Service Stability lamp. A more specific affected system is not yet established by verified evidence.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity level.
5. Symptoms you may notice
- Service Stability lamp illuminated.
- C12FE may be stored as a history or current DTC.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The supplied verified evidence does not establish whether driving is safe with C12FE.
8. Can I charge the vehicle?
Unknown. The supplied verified evidence does not establish whether charging is safe with C12FE.
9. What you can safely do
- Record whether the Service Stability lamp is on and whether C12FE is current or history.
- Arrange diagnosis by a qualified Chevrolet/GM service provider if the warning lamp is illuminated or the code is present.
- Do not attempt high-voltage repairs based on this information.
10. Step-by-step troubleshooting
- Use GM service information applicable to the vehicle to assess C12FE and, if present, C012E.
- The supplied evidence does not establish owner-performed diagnostic steps or a definitive test sequence.
11. When to contact service
Contact a Chevrolet/GM service provider for diagnosis, particularly when the Service Stability lamp is illuminated or C12FE is current.
12. What the service center may check
- Confirm whether C12FE is current or history.
- Check for the Service Stability lamp condition.
- Review GM communication PIC-6103 for the applicable vehicle.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Spark · 2011–2015 · US
- Chevrolet Volt · 2011–2015 · US
15. Related TSBs / service bulletins
- GM/NHTSA Manufacturer Communication 10059022, PIC-6103, published June 1, 2015: “Information Regarding Service Stability Lamp Being On and History or Current Diagnostic Trouble Codes (DTCs) C012E, C12FE.” The communication identifies 2011–2015 Volt, 2014–2015 Spark EV, and 2014–2016 ELR.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication 10059022 (GM PIC-6103), https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2015-2019.zip#nhtsa_id=10059022
- NHTSA: NHTSA Manufacturer Communication 10059022: PIC-6103 · official_tsb
19. Frequently asked questions
What does C12FE mean?
The supplied diagnostic record labels C12FE as “15 VOLT.” The supplied official communication links it to a Service Stability lamp concern, but does not provide a more detailed fault definition.
Which vehicles are named in GM communication PIC-6103?
The communication names 2011–2015 Volt, 2014–2015 Spark EV, and 2014–2016 ELR.
Is C12FE related to another code?
Yes. PIC-6103 specifically discusses C012E and C12FE as history or current DTCs.