BYD P1A1100
BIC6 voltage sampling abnormal
Quick answer
BYD DTC P1A1100 means “BIC6 voltage sampling abnormal.” It is identified in the supplied technical-manual evidence as an HV-battery diagnostic code.
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1. What does P1A1100 mean?
BYD DTC P1A1100 means “BIC6 voltage sampling abnormal.” It is identified in the supplied technical-manual evidence as an HV-battery diagnostic code.
2. Technical explanation
The verified evidence establishes that P1A1100 is a BYD HV-battery DTC with the meaning “BIC6 voltage sampling abnormal.” The supplied evidence does not further define BIC6, identify the failed component, provide test steps, or establish a repair procedure.
3. What system is affected?
HV battery
4. How serious is this code?
Unknown. Severity is not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- An abnormality related to BIC6 voltage sampling is indicated by the verified DTC description.
- Specific root causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. Whether the vehicle can be driven with P1A1100 is not yet established by verified evidence.
8. Can I charge the vehicle?
Unknown. Whether the vehicle can be charged with P1A1100 is not yet established by verified evidence.
9. What you can safely do
- Do not attempt high-voltage battery diagnosis, disassembly, or repair.
- Arrange professional diagnosis if the code is present.
10. Step-by-step troubleshooting
- Use a suitable diagnostic tool to confirm the stored DTC and record associated diagnostic information for a qualified service provider.
- Further troubleshooting procedures are not yet established by verified evidence.
11. When to contact service
Service requirement is unknown in the supplied diagnostic record. Because this code concerns the HV battery, professional diagnosis is appropriate; no high-voltage repair procedure is provided here.
12. What the service center may check
- Confirm DTC P1A1100 and review available associated diagnostic information.
- Specific 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
- BYD DOLPHIN · 2021–2026 · GLOBAL
- BYD HAN · 2023 · GLOBAL
15. Related TSBs / service bulletins
- Not yet established by verified evidence.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified technical-manual index evidence identifies P1A1100 as “BIC6 voltage sampling abnormal” for the listed BYD applications. No manufacturer-issued service procedure, bulletin, or recall information was supplied.
- 17VIN technical manual index: BYD DOLPHIN diagnostic evidence · technical_manual
- 17VIN technical manual index: BYD HAN diagnostic evidence · technical_manual
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code P1A1100 mean?
It means “BIC6 voltage sampling abnormal.”
Which system is associated with P1A1100?
The verified diagnostic record identifies the affected system as the HV battery.
Can I drive with P1A1100?
Not yet established by verified evidence.
Can I charge with P1A1100?
Not yet established by verified evidence.
Which BYD vehicles are covered by the supplied evidence?
BYD ATTO 3 model years 2022–2026 globally, BYD DOLPHIN model years 2021–2026 globally, and BYD HAN model year 2023 globally.