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Chevrolet P0ACB

DTC P0AE9 Hybrid/EV Battery Temperature Sensor 4 Performance, DTC P0AEA Hybrid/EV Battery Temperature Sensor 4 Circuit Low Vol

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a qualified Chevrolet EV service provider to verify the exact DTC and diagnose the hybrid/EV battery temperature-sensor system. Service urgency is not established by verified evidence.
Confidence95%

Quick answer

For a 2013 Chevrolet Volt (US), verified evidence links this diagnostic record to Hybrid/EV Battery Temperature Sensor 4 faults: P0AE9 (performance) and P0AEA (circuit low voltage). The supplied record is labeled P0ACB, but the cited bulletin identifies P0ACB as Battery Temperature Sensor 3 Performance.

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

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DTC Chevrolet P0ACB Short ExplanationMaxidot Chevrolet

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1. What does P0ACB mean?

For a 2013 Chevrolet Volt (US), verified evidence links this diagnostic record to Hybrid/EV Battery Temperature Sensor 4 faults: P0AE9 (performance) and P0AEA (circuit low voltage). The supplied record is labeled P0ACB, but the cited bulletin identifies P0ACB as Battery Temperature Sensor 3 Performance.

2. Technical explanation

The verified NHTSA manufacturer communication 18NA342 lists battery-temperature-sensor DTCs. It identifies P0AE9 as Hybrid/EV Battery Temperature Sensor 4 Performance and P0AEA as Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage. In the same evidence, P0ACB is identified as Hybrid/EV Battery Temperature Sensor 3 Performance. The supplied diagnostic title/meaning combines the Sensor 4 descriptions with code P0ACB; this code-to-description mismatch should be confirmed using the vehicle’s scan data and applicable service information.

3. What system is affected?

Hybrid/EV battery temperature-sensor diagnostic system. The exact affected sensor for the stored code is not yet established by verified evidence because the supplied diagnostic record and cited bulletin conflict.

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

  • Confirm the exact stored DTC with a compatible scan tool or Chevrolet service provider.
  • Use the vehicle identification number (VIN) to confirm applicability of the manufacturer communication.
  • Do not perform high-voltage battery or temperature-sensor repair procedures without qualified EV service training and applicable service information.

10. Step-by-step troubleshooting

  1. Verify whether the vehicle has P0ACB, P0AE9, P0AEA, or more than one battery-temperature-sensor DTC stored.
  2. For the 2013 Chevrolet Volt US applicability listed in the supplied evidence, review NHTSA manufacturer communication 18NA342 through a qualified Chevrolet service provider.
  3. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Contact a qualified Chevrolet EV service provider to verify the exact DTC and diagnose the hybrid/EV battery temperature-sensor system. Service urgency is not established by verified evidence.

12. What the service center may check

  • Confirm the exact code because bulletin 18NA342 identifies P0ACB as Hybrid/EV Battery Temperature Sensor 3 Performance, while P0AE9 is Sensor 4 Performance and P0AEA is Sensor 4 Circuit Low Voltage.
  • Confirm vehicle applicability: Chevrolet Volt, model year 2013, US region.
  • Additional service checks are not established by verified 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 (NHTSA document MC-10155116-9999): lists battery temperature sensor DTC descriptions, including P0ACB for Sensor 3 Performance, P0AE9 for Sensor 4 Performance, and P0AEA for Sensor 4 Circuit Low Voltage. https://static.nhtsa.gov/odi/tsbs/2018/MC-10155116-9999.pdf

16. Recall information

No recall relationship is established by verified evidence.

17. Official manufacturer information

Verified applicability supplied: 2013 Chevrolet Volt, US. Official source: NHTSA manufacturer communication 18NA342 (MC-10155116-9999), published November 19, 2018. The source is a manufacturer communication/TSB, not verified recall evidence.

19. Frequently asked questions

What does P0ACB mean in the cited manufacturer communication?

The cited communication identifies P0ACB as Hybrid/EV Battery Temperature Sensor 3 Performance.

What codes does the cited communication list for Battery Temperature Sensor 4?

It lists P0AE9 for Hybrid/EV Battery Temperature Sensor 4 Performance and P0AEA for Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage.

Does the verified evidence confirm whether it is safe to drive or charge?

No. Driveability and charging safety are not established by the supplied verified evidence.

Is there a verified recall?

No recall evidence was supplied.

20. Sources & verification

ReferenceVerified
Chevrolet P0ACB: DTC P0AE9 Hybrid/EV Battery Temperature Sensor 4… | EV Diagnostics