Chevrolet P0ACC
DTC P0AE9 Hybrid/EV Battery Temperature Sensor 4 Performance, DTC P0AEA Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage, DTC P0AEB Hybrid/EV Battery Temperature Sensor 4
Quick answer
For a 2013 Chevrolet Volt (US), P0ACC is identified in the verified bulletin evidence as Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does P0ACC mean?
For a 2013 Chevrolet Volt (US), P0ACC is identified in the verified bulletin evidence as Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage.
2. Technical explanation
The supplied official NHTSA-hosted Chevrolet manufacturer communication, 18NA342, lists P0ACC under Battery Temperature Sensor 3 and defines it as “Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage.” The supplied diagnostic record’s combined title also includes Sensor 4 codes, but the verified bulletin evidence specifically associates P0ACC with Sensor 3—not Sensor 4.
3. What system is affected?
Hybrid/EV battery temperature sensing: Battery Temperature Sensor 3 circuit.
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 3 circuit is identified by the verified DTC description. The underlying 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 diagnosis by a qualified Chevrolet/EV service facility.
- Do not attempt high-voltage battery or battery-sensor repair procedures based on this information.
10. Step-by-step troubleshooting
- Retrieve and record all diagnostic trouble codes and freeze-frame information using appropriate diagnostic equipment.
- Use the applicable Chevrolet service information and the official manufacturer communication for diagnosis. Specific diagnostic steps are not established by the supplied verified evidence.
11. When to contact service
Service need is not yet established by verified evidence; however, qualified Chevrolet/EV diagnostic support is appropriate because this code concerns the hybrid/EV battery temperature-sensor circuit.
12. What the service center may check
- Confirm whether P0ACC is current, history, or intermittent.
- Follow applicable Chevrolet diagnostic information for P0ACC and Battery Temperature Sensor 3. Detailed test procedures are not provided in the supplied verified evidence.
13. Possible repair or resolution
- A specific repair resolution is not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Volt · 2013 · US
15. Related TSBs / service bulletins
- Chevrolet manufacturer communication 18NA342, published November 19, 2018 and hosted by NHTSA as MC-10155116-9999. Its supplied excerpt identifies P0ACC as Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA-hosted Chevrolet manufacturer communication 18NA342 (MC-10155116-9999): https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf
19. Frequently asked questions
What does P0ACC mean on the verified applicable vehicle?
For the verified applicable vehicle, a 2013 Chevrolet Volt in the US, the supplied official bulletin evidence identifies P0ACC as Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage.
Does P0ACC refer to Battery Temperature Sensor 4?
No. The supplied official bulletin excerpt lists P0ACC under Battery Temperature Sensor 3. Sensor 4 codes listed in that excerpt are P0AE9, P0AEA, and P0AEB.
Is it safe to drive or charge with P0ACC?
Not yet established by verified evidence.