Chevrolet P0AEA
DTC P0BC3 Hybrid/EV Battery Temperature Sensor 5 Performance, DTC P0BC4 Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage, DTC P0BC5 Hybrid/EV Battery Temperature Sensor 5
Quick answer
For a 2013 Chevrolet Volt in the US, verified GM/NHTSA bulletin 18NA342 lists P0AEA as Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage. The supplied diagnostic title appears to group P0AEA with Sensor 5 codes, but the verified bulletin evidence identifies P0AEA as Sensor 4—not Sensor 5.
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 P0AEA mean?
For a 2013 Chevrolet Volt in the US, verified GM/NHTSA bulletin 18NA342 lists P0AEA as Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage. The supplied diagnostic title appears to group P0AEA with Sensor 5 codes, but the verified bulletin evidence identifies P0AEA as Sensor 4—not Sensor 5.
2. Technical explanation
NHTSA-hosted GM manufacturer communication 18NA342 identifies the following Sensor 4 codes: P0AE9, Hybrid/EV Battery Temperature Sensor 4 Performance; P0AEA, Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage; and P0AEB, Hybrid/EV Battery Temperature Sensor 4 Circuit High Voltage. The same bulletin separately identifies Sensor 5 codes as P0BC3, P0BC4, and P0BC5. No further diagnostic mechanism, test procedure, or repair procedure is established by the supplied verified evidence.
3. What system is affected?
Hybrid/EV battery temperature sensor circuit; bulletin 18NA342 specifically identifies P0AEA as Battery Temperature Sensor 4 Circuit Low Voltage.
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 4 circuit is identified by the verified DTC description.
- The underlying cause of that circuit 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 provider.
- Do not attempt high-voltage battery or sensor-circuit repair based on the supplied evidence.
10. Step-by-step troubleshooting
- Have a qualified technician confirm the stored DTC and vehicle applicability.
- For a 2013 Chevrolet Volt, use GM bulletin 18NA342 as an official reference for the code description.
- No further troubleshooting steps are established by the supplied verified evidence.
11. When to contact service
Service is recommended because the code concerns a Hybrid/EV battery temperature sensor circuit. Urgency is not yet established by verified evidence.
12. What the service center may check
- Confirm P0AEA is present.
- Confirm the vehicle is a 2013 Chevrolet Volt for US applicability.
- Review GM/NHTSA manufacturer communication 18NA342.
- Further service 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/NHTSA manufacturer communication 18NA342, published November 19, 2018: lists P0AEA as Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage for the applicable 2013 Chevrolet Volt evidence set.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA-hosted GM manufacturer communication 18NA342 (MC-10155116-9999), published November 19, 2018: https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf
19. Frequently asked questions
What does P0AEA mean on the verified applicable Chevrolet Volt record?
For the verified 2013 US Chevrolet Volt applicability, bulletin 18NA342 identifies P0AEA as Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage.
Is P0AEA a Battery Temperature Sensor 5 code?
No. The supplied official bulletin evidence lists P0AEA under Battery Temperature Sensor 4. It lists Sensor 5 codes separately as P0BC3, P0BC4, and P0BC5.
Can I drive or charge with P0AEA?
Not yet established by verified evidence.