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Chevrolet P0BC4

DTC P0C34 Hybrid/EV Battery Temperature Sensor 6 Performance, DTC P0C35 Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage, DTC P0C36 Hybrid/EV Battery Temperature Sensor 6

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not established by the supplied evidence. If the code is present, a qualified Chevrolet/EV service provider can confirm the exact stored DTC and apply applicable manufacturer diagnostic information.
Confidence95%

Quick answer

For a 2013 Chevrolet Volt in the US, verified evidence links P0BC4 to the Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage description—not Sensor 6. The supplied diagnostic title appears to combine or misalign multiple codes.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

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DTC Chevrolet P0BC4 Short ExplanationMaxidot Chevrolet

Videos are supporting material and never override OEM or regulator evidence.

1. What does P0BC4 mean?

For a 2013 Chevrolet Volt in the US, verified evidence links P0BC4 to the Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage description—not Sensor 6. The supplied diagnostic title appears to combine or misalign multiple codes.

2. Technical explanation

The verified NHTSA manufacturer communication 18NA342 lists: P0BC3 as Hybrid/EV Battery Temperature Sensor 5 Performance; P0BC4 as Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage; and P0BC5 as Hybrid/EV Battery Temperature Sensor 5 Circuit High Voltage. In the same communication, Sensor 6 codes are P0C34 (Performance), P0C35 (Circuit Low Voltage), and P0C36 (Circuit High Voltage).

3. What system is affected?

Hybrid/EV battery temperature sensor monitoring. The supplied evidence identifies P0BC4 specifically as Battery Temperature Sensor 5 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

Not yet established by verified evidence. A diagnostic identifier alone is not proof that a specific component has failed.

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

  • Use the exact DTC displayed by the vehicle or scan tool when seeking diagnosis.
  • Arrange professional diagnosis using applicable manufacturer procedures; the supplied evidence does not establish a specific repair.
  • Do not attempt high-voltage battery or sensor-circuit repairs based on this information.

10. Step-by-step troubleshooting

  1. Confirm whether the stored code is P0BC4, P0C34, P0C35, or P0C36, because the verified communication assigns different sensor descriptions to these codes.
  2. No further diagnostic procedure is established by the supplied verified evidence.

11. When to contact service

Service need is not established by the supplied evidence. If the code is present, a qualified Chevrolet/EV service provider can confirm the exact stored DTC and apply applicable manufacturer diagnostic information.

12. What the service center may check

  • Confirm the exact diagnostic trouble code.
  • Review applicable Chevrolet service information for the vehicle and code. No specific inspection or test is established by the supplied evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 18NA342, published November 19, 2018: the supplied excerpt lists battery temperature sensor DTC descriptions, including P0BC4 as Sensor 5 Circuit Low Voltage and P0C34/P0C35/P0C36 as Sensor 6 Performance/Low Voltage/High Voltage, respectively. The excerpt does not establish the bulletin’s repair procedure or applicability beyond the provided record.

16. Recall information

No recall relationship is established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 10155116 / Chevrolet communication 18NA342: https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf

19. Frequently asked questions

What does P0BC4 mean on the verified 2013 Chevrolet Volt record?

The supplied NHTSA manufacturer communication identifies P0BC4 as Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage.

Is P0BC4 a Battery Temperature Sensor 6 code?

No. In the supplied verified communication, Sensor 6 codes are P0C34, P0C35, and P0C36. P0BC4 is listed under Sensor 5.

Can I drive or charge with P0BC4?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Chevrolet P0BC4: DTC P0C34 Hybrid/EV Battery Temperature Sensor 6… | EV Diagnostics