Chevrolet P0AC7
DTC P0ACB Hybrid/EV Battery Temperature Sensor 3 Performance, DTC P0ACC Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage, DTC P0ACD Hybrid/EV Battery Temperature Sensor 3
Quick answer
For a 2013 Chevrolet Volt (US), verified evidence identifies P0AC7 as Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage. The supplied canonical title conflicts with this; the official NHTSA-hosted GM communication supports 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 P0AC7 mean?
For a 2013 Chevrolet Volt (US), verified evidence identifies P0AC7 as Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage. The supplied canonical title conflicts with this; the official NHTSA-hosted GM communication supports Sensor 2, not Sensor 3.
2. Technical explanation
NHTSA Manufacturer Communication 18NA342 lists the battery-temperature-sensor DTC groups. It identifies P0AC6 as Sensor 2 Performance, P0AC7 as Sensor 2 Circuit Low Voltage, and P0AC8 as Sensor 2 Circuit High Voltage. The communication separately lists P0ACB, P0ACC, and P0ACD for Battery Temperature Sensor 3. The exact underlying fault cause, vehicle behavior, and repair procedure are not yet established by the supplied verified evidence.
3. What system is affected?
Hybrid/EV battery temperature sensor circuit, specifically Battery Temperature Sensor 2 according to the verified NHTSA-hosted manufacturer communication.
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
- A low-voltage condition in the Hybrid/EV Battery Temperature Sensor 2 circuit is identified by the official DTC description. The specific cause of that condition is 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 professional diagnosis by a qualified Chevrolet/EV service provider.
- Do not attempt high-voltage battery or battery-sensor circuit repair based on this information.
10. Step-by-step troubleshooting
- Use a suitable diagnostic tool to confirm the stored DTC and any accompanying codes. Further diagnostic steps are not yet established by the supplied verified evidence.
11. When to contact service
Service need is not yet established by verified evidence. Because this code concerns a Hybrid/EV battery temperature-sensor circuit, a qualified Chevrolet/EV service provider is the appropriate source for diagnosis.
12. What the service center may check
- Confirm whether P0AC7 is present and record any accompanying DTCs.
- Determine the source of the low-voltage condition in Battery Temperature Sensor 2 circuitry. Specific inspection and test procedures are not yet established by the supplied 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
- NHTSA Manufacturer Communication 18NA342, published November 19, 2018: lists P0AC7 as Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage. The supplied evidence does not establish the bulletin's full repair guidance or applicability beyond the listed 2013 Chevrolet Volt (US) record.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 10155116, GM communication 18NA342, published 2018-11-19: https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf
19. Frequently asked questions
What does P0AC7 mean on the verified 2013 Chevrolet Volt application?
The official NHTSA-hosted manufacturer communication identifies P0AC7 as Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage.
Is P0AC7 a Battery Temperature Sensor 3 code?
No. In the verified communication, Sensor 3 codes are P0ACB, P0ACC, and P0ACD. P0AC7 is listed under Sensor 2.
Can I drive or charge with P0AC7?
Not yet established by verified evidence.