Chevrolet P0AC6
DTC P0ACB Hybrid/EV Battery Temperature Sensor 3 Performance, DTC P0ACC Hybrid/EV Battery Temperature Sensor 3 Circuit Low Vol
Quick answer
For a 2013 Chevrolet Volt in the US, verified GM bulletin 18NA342 associates P0AC6 with Hybrid/EV Battery Temperature Sensor 2 performance. The supplied diagnostic title also references Sensor 3 codes P0ACB and P0ACC, but the verified bulletin identifies P0AC6 as Sensor 2—not Sensor 3.
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 P0AC6 mean?
For a 2013 Chevrolet Volt in the US, verified GM bulletin 18NA342 associates P0AC6 with Hybrid/EV Battery Temperature Sensor 2 performance. The supplied diagnostic title also references Sensor 3 codes P0ACB and P0ACC, but the verified bulletin identifies P0AC6 as Sensor 2—not Sensor 3.
2. Technical explanation
NHTSA-published manufacturer communication 18NA342 lists battery temperature sensor DTCs by sensor number. It identifies P0AC6 as “Hybrid/EV Battery Temperature Sensor 2 Performance.” The same bulletin groups P0ACB as Battery Temperature Sensor 3 Performance and P0ACC as Battery Temperature Sensor 3 Circuit Low Voltage. The supplied evidence does not establish diagnostic thresholds, root cause, vehicle behavior, or a repair procedure for P0AC6.
3. What system is affected?
Hybrid/EV battery temperature sensing, specifically Battery Temperature Sensor 2 according to verified bulletin 18NA342.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
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 by a Chevrolet/GM-qualified service provider.
- Do not attempt high-voltage battery or battery-sensor repairs yourself.
10. Step-by-step troubleshooting
- Use appropriate diagnostic equipment to confirm the stored DTC and vehicle applicability.
- Refer to GM service information and bulletin 18NA342 as applicable. Further diagnostic steps are not established by the supplied verified evidence.
11. When to contact service
Service requirements are not yet established by verified evidence. Because this code concerns hybrid/EV battery temperature sensing, use a Chevrolet/GM-qualified service provider for diagnosis.
12. What the service center may check
- Confirm whether P0AC6 is present.
- Confirm the vehicle is a 2013 Chevrolet Volt for the US market.
- Review DTC grouping in GM bulletin 18NA342.
- Additional checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Volt · 2013 · US
15. Related TSBs / service bulletins
- GM bulletin 18NA342, published by NHTSA as manufacturer communication MC-10155116-9999 on November 19, 2018. The supplied excerpt identifies P0AC6 as Hybrid/EV Battery Temperature Sensor 2 Performance.
16. Recall information
- No recall information was supplied in the verified evidence.
17. Official manufacturer information
NHTSA manufacturer communication PDF: 18NA342 / MC-10155116-9999: https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf
19. Frequently asked questions
What does P0AC6 mean on the verified applicable Chevrolet Volt?
For the verified application—2013 Chevrolet Volt, US—bulletin 18NA342 identifies P0AC6 as Hybrid/EV Battery Temperature Sensor 2 Performance.
Is P0AC6 a Battery Temperature Sensor 3 code?
No. The verified bulletin lists P0AC6 under Battery Temperature Sensor 2. It lists P0ACB as Sensor 3 Performance and P0ACC as Sensor 3 Circuit Low Voltage.
Can I drive or charge with P0AC6?
Not yet established by verified evidence.