EV Diagnostics
Verified EV diagnostic knowledge page

Nissan P1B31

11 to P1B36-11; all for “Module temperature sensor”, AND/OR  DTCs P1B60-12, P1B69-12, P1B6A-12, P1B6B-12, P1B61-12 to P1B68-12; all for “C

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Nissan dealer or qualified EV service provider for diagnosis, particularly if the code is current or returns after clearing.
Confidence95%

Quick answer

For a 2023 Nissan ARIYA in the US, P1B31 is covered by Nissan Technical Service Bulletin NTB23-075A when recorded as P1B31-11, identified as “Module temperature sensor.”

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

Video guides

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 P1B31 mean?

For a 2023 Nissan ARIYA in the US, P1B31 is covered by Nissan Technical Service Bulletin NTB23-075A when recorded as P1B31-11, identified as “Module temperature sensor.”

2. Technical explanation

Verified evidence identifies P1B31-11 as one of several DTCs for “Module temperature sensor.” The supplied bulletin evidence also groups it with battery-related “Cell voltage circuit” codes, but does not establish a standalone root cause, repair, or operating restriction for P1B31 from the supplied excerpt.

3. What system is affected?

Battery-module temperature sensing is indicated by the verified DTC description. A more specific system name is not yet established by verified evidence.

4. How serious is this code?

Unknown. Severity is not established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • A specific cause for P1B31-11 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 Nissan dealer or qualified EV service provider.
  • Do not attempt high-voltage battery, module-temperature-sensor, or related wiring repairs yourself.

10. Step-by-step troubleshooting

  1. A service technician can confirm the full DTC, including the -11 suffix, and determine whether it is stored as PAST or CURRENT.
  2. The supplied bulletin evidence specifically distinguishes whether related “Cell voltage circuit” DTCs return as CURRENT after being erased.

11. When to contact service

Contact a Nissan dealer or qualified EV service provider for diagnosis, particularly if the code is current or returns after clearing.

12. What the service center may check

  • Confirm the vehicle is a 2023 Nissan ARIYA for the US market.
  • Confirm the complete code is P1B31-11.
  • Review associated DTCs, including listed module-temperature-sensor and cell-voltage-circuit codes.
  • Determine whether relevant DTCs are PAST or CURRENT after erasure, as referenced in NTB23-075A.

13. Possible repair or resolution

  • Not yet established by verified evidence from the supplied bulletin excerpts.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan NTB23-075, reported through NHTSA Manufacturer Communication 10246439, published November 15, 2023. The supplied evidence lists P1B31-11 among “Module temperature sensor” DTCs.
  • Nissan NTB23-075A, reported through NHTSA Manufacturer Communication 11002534, published April 23, 2024. The supplied evidence lists P1B31-11 among “Module temperature sensor” DTCs and references DTC status after erasure for related cell-voltage-circuit codes.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Nissan bulletin: NTB23-075A, https://static.nhtsa.gov/odi/tsbs/2024/MC-11002534-0001.pdf

19. Frequently asked questions

What does P1B31 mean on a 2023 Nissan ARIYA?

The supplied verified evidence identifies P1B31-11 as “Module temperature sensor.”

Does Nissan have a service bulletin related to P1B31-11?

Yes. The supplied evidence identifies Nissan bulletin NTB23-075A for a 2023 US-market ARIYA and includes P1B31-11 in its listed module-temperature-sensor DTCs.

Is it safe to drive or charge with P1B31?

Not yet established by verified evidence.

20. Sources & verification

Verified
Nissan P1B31: 11 to P1B36-11; all for “Module temperature sensor”,… | EV Diagnostics