Nissan P1B6B
12, P1B61-12 to P1B68-12; all for “Cell voltage circuit”. ACTION Follow the SERVICE PROCEDURE in this bulletin to re program the HV BATTERY
Quick answer
For a 2023 Nissan ARIYA in the US, DTC P1B6B-12 is identified in Nissan bulletin NTB23-075A as a “Cell voltage circuit” code. The bulletin directs reprogramming of the high-voltage (HV) battery using its service procedure.
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 P1B6B mean?
For a 2023 Nissan ARIYA in the US, DTC P1B6B-12 is identified in Nissan bulletin NTB23-075A as a “Cell voltage circuit” code. The bulletin directs reprogramming of the high-voltage (HV) battery using its service procedure.
2. Technical explanation
Verified evidence identifies P1B6B-12 as one of several “Cell voltage circuit” DTCs covered by Nissan technical service bulletin NTB23-075/NTB23-075A. The supplied evidence does not establish a component-level failure, a specific failed cell, or a wiring fault. The documented action is HV battery reprogramming according to the bulletin’s service procedure.
3. What system is affected?
High-voltage battery; cell voltage 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 specific root cause is not yet established by verified evidence. Nissan bulletin NTB23-075A identifies P1B6B-12 as a “Cell voltage circuit” DTC and directs HV battery reprogramming.
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 and service by a qualified Nissan EV service provider.
- Provide the stored DTC P1B6B-12 and reference Nissan bulletin NTB23-075A.
- Do not attempt high-voltage battery repair or programming yourself.
10. Step-by-step troubleshooting
- Confirm the exact stored DTC, including the “-12” suffix.
- Have a qualified service provider check applicability of Nissan bulletin NTB23-075A and follow its service procedure if applicable.
11. When to contact service
Contact a Nissan dealer or qualified Nissan EV service provider. The verified bulletin directs use of its service procedure to reprogram the HV battery.
12. What the service center may check
- Confirm that the vehicle is a 2023 Nissan ARIYA for the US market.
- Confirm DTC P1B6B-12 is present.
- Review Nissan bulletin NTB23-075A and perform the specified HV battery reprogramming procedure, if applicable.
13. Possible repair or resolution
- Nissan bulletin NTB23-075A directs reprogramming of the HV battery following the bulletin’s service procedure. Further repair outcomes are not yet established by verified evidence.
14. Affected vehicles
- Nissan ARIYA · 2023 · US
15. Related TSBs / service bulletins
- Nissan NTB23-075, reported by NHTSA as Manufacturer Communication 10246439, published November 15, 2023. It includes P1B6B-12 among “Cell voltage circuit” DTCs and directs HV battery reprogramming.
- Nissan NTB23-075A, NHTSA Manufacturer Communication 11002534, published April 23, 2024. It includes P1B6B-12 among “Cell voltage circuit” DTCs and directs HV battery reprogramming.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Nissan bulletin: https://static.nhtsa.gov/odi/tsbs/2024/MC-11002534-0001.pdf
19. Frequently asked questions
What does P1B6B-12 mean on a Nissan ARIYA?
The verified Nissan bulletin describes P1B6B-12 as a “Cell voltage circuit” DTC.
What does Nissan direct for P1B6B-12?
Nissan bulletin NTB23-075A directs technicians to follow its service procedure to reprogram the HV battery.
Which vehicles are supported by the supplied evidence?
The supplied applicability evidence covers the 2023 Nissan ARIYA in the United States.
Is it safe to drive or charge with P1B6B-12?
Not yet established by verified evidence.