Nissan P1B6A
12, P1B6B-12, P1B61-12 to P1B68-12; all for “Cell voltage circuit”. ACTION Follow the SERVICE PROCEDURE in this bulletin to re program the
Quick answer
For a 2023 Nissan ARIYA in the US, DTC P1B6A-12 is identified in Nissan bulletin NTB23-075A as a “Cell voltage circuit” code. The bulletin directs technicians to follow its service procedure to reprogram the applicable control unit. Driving, charging, severity, and symptoms are not yet established by verified evidence.
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 P1B6A mean?
For a 2023 Nissan ARIYA in the US, DTC P1B6A-12 is identified in Nissan bulletin NTB23-075A as a “Cell voltage circuit” code. The bulletin directs technicians to follow its service procedure to reprogram the applicable control unit. Driving, charging, severity, and symptoms are not yet established by verified evidence.
2. Technical explanation
The verified Nissan/NHTSA bulletin evidence groups P1B6A-12 with P1B60-12, P1B69-12, P1B6B-12, and P1B61-12 through P1B68-12, all described as “Cell voltage circuit” DTCs. Nissan bulletin NTB23-075A instructs technicians to follow the bulletin’s service procedure to reprogram the applicable control unit. The supplied evidence does not provide the complete procedure, diagnostic thresholds, or a confirmed failed component.
3. What system is affected?
Cell voltage circuit. A more specific subsystem name is not yet established by verified evidence.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity level.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- A condition addressed by control-unit reprogramming is established by Nissan bulletin NTB23-075A.
- A specific physical component failure or root cause 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 facility.
- Provide the stored code exactly as P1B6A-12 and reference Nissan bulletin NTB23-075A.
- Do not attempt high-voltage battery or cell-voltage-circuit repairs yourself.
10. Step-by-step troubleshooting
- Have a qualified technician confirm the exact DTC suffix and assess applicability of Nissan bulletin NTB23-075A.
- The bulletin evidence directs the technician to follow its service procedure for control-unit reprogramming.
- Further diagnostic steps are not yet established by the supplied verified evidence.
11. When to contact service
Contact a Nissan dealer or qualified EV service facility for diagnosis and to determine whether NTB23-075A applies to the vehicle.
12. What the service center may check
- Confirm the vehicle is a 2023 Nissan ARIYA in the US.
- Confirm DTC P1B6A-12 is present.
- Review and follow Nissan bulletin NTB23-075A service procedure, including the specified reprogramming action.
13. Possible repair or resolution
- Nissan bulletin NTB23-075A directs technicians to reprogram the applicable control unit using the bulletin’s service procedure.
- Whether reprogramming resolves an individual vehicle’s condition is not yet established by verified evidence.
14. Affected vehicles
- Nissan ARIYA · 2023 · US
15. Related TSBs / service bulletins
- Nissan NTB23-075A, published through NHTSA as Manufacturer Communication 11002534 on April 23, 2024. It includes P1B6A-12 among “Cell voltage circuit” DTCs and directs technicians to follow the service procedure to reprogram the applicable control unit.
- Nissan NTB23-075, published through NHTSA as Manufacturer Communication 10246439 on November 15, 2023. It likewise includes P1B6A-12 among “Cell voltage circuit” DTCs and directs technicians to follow the service procedure for reprogramming.
16. Recall information
- No recall information was supplied in the verified evidence.
17. Official manufacturer information
Official source: NHTSA-hosted Nissan manufacturer communication NTB23-075A (MC-11002534-0001.pdf), published April 23, 2024. https://static.nhtsa.gov/odi/tsbs/2024/MC-11002534-0001.pdf
19. Frequently asked questions
What does P1B6A-12 mean on a Nissan ARIYA?
In Nissan bulletin NTB23-075A, P1B6A-12 is listed as a “Cell voltage circuit” DTC.
Which vehicles are supported by the supplied evidence?
The supplied applicability evidence identifies the 2023 Nissan ARIYA in the US.
What does Nissan direct service technicians to do?
The bulletin directs technicians to follow its service procedure to reprogram the applicable control unit.
Is it safe to drive or charge with P1B6A-12?
Not yet established by verified evidence.