BYD P158900
Charging-port phase temperature sampling abnormal
Quick answer
BYD DTC P158900 means “Charging-port phase temperature sampling abnormal.” Verified applicability: BYD ATTO 3, model years 2022–2026, Global.
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 P158900 mean?
BYD DTC P158900 means “Charging-port phase temperature sampling abnormal.” Verified applicability: BYD ATTO 3, model years 2022–2026, Global.
2. Technical explanation
The verified diagnostic evidence identifies an abnormality in charging-port phase temperature sampling. The supplied evidence does not establish the specific failed component, operating conditions, root cause, or repair procedure.
3. What system is affected?
Charging system; specifically, charging-port phase temperature sampling.
4. How serious is this code?
Unknown. Severity is not established by the verified evidence.
5. Symptoms you may notice
- A stored DTC P158900 may be present.
- Other symptoms are not yet established by verified evidence.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. Whether the vehicle can be driven is not established by verified evidence.
8. Can I charge the vehicle?
Unknown. Whether the vehicle can be charged is not established by verified evidence.
9. What you can safely do
- Do not attempt high-voltage or charging-port repairs yourself.
- Arrange professional diagnosis by a qualified BYD service provider if the code is present.
10. Step-by-step troubleshooting
- Have a qualified technician retrieve and assess DTC P158900 using appropriate diagnostic equipment.
- Do not perform intrusive charging-port, wiring, or high-voltage system testing without qualified service procedures.
11. When to contact service
Service requirement is listed as unknown in the supplied diagnostic record. Professional assessment is appropriate because this code concerns charging-port temperature sampling.
12. What the service center may check
- Confirm DTC P158900 and review diagnostic data using approved diagnostic equipment.
- Further service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- BYD ATTO 3 · 2022–2026 · GLOBAL
15. Related TSBs / service bulletins
- No technical service bulletins were supplied in the verified evidence.
16. Recall information
- No recalls were supplied in the verified evidence.
17. Official manufacturer information
Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / P158900. The evidence states: “Charging-port phase temperature sampling abnormal.”
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD P158900 mean?
It means “Charging-port phase temperature sampling abnormal.”
Which vehicles are verified as applicable?
BYD ATTO 3, model years 2022 through 2026, Global region.
Can I drive or charge with P158900?
The supplied verified evidence lists both driveability and chargeability as unknown.
What causes P158900?
The specific cause is not yet established by verified evidence.