BYD P157897
CC signal abnormal
Quick answer
BYD DTC P157897 means “CC signal abnormal” in the OBC/charging system. Verified applicability: BYD ATTO 3, model years 2022–2026, Global market.
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 P157897 mean?
BYD DTC P157897 means “CC signal abnormal” in the OBC/charging system. Verified applicability: BYD ATTO 3, model years 2022–2026, Global market.
2. Technical explanation
The verified technical-manual evidence identifies P157897 as a charging-system diagnostic trouble code for an abnormal CC signal. The supplied evidence does not define the CC signal further, provide diagnostic thresholds, or identify a specific failed component.
3. What system is affected?
OBC/charging
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
- An abnormal CC signal is the verified fault description.
- Specific underlying causes are 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 charging can continue or should be attempted is not established by verified evidence.
9. What you can safely do
- Do not perform high-voltage charging-system repairs yourself.
- Have the vehicle assessed by a qualified BYD service provider or EV technician.
- Record the DTC and any charging-related circumstances for the service appointment.
10. Step-by-step troubleshooting
- No verified step-by-step troubleshooting procedure was supplied for P157897.
- Professional diagnosis should follow the applicable BYD service information.
11. When to contact service
Service requirement is unknown in the supplied diagnostic record. Because this code is assigned to the OBC/charging system, professional assessment is appropriate; urgency is not established by verified evidence.
12. What the service center may check
- Retrieve and confirm DTC P157897 using suitable diagnostic equipment.
- Use applicable BYD service information to evaluate the abnormal CC signal.
- Further service checks are not yet established by verified evidence.
13. Possible repair or resolution
- No verified repair or resolution procedure was supplied.
- The required repair depends on professional diagnosis; no specific part replacement is established by verified evidence.
14. Affected vehicles
- BYD ATTO 3 · 2022–2026 · 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 source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 | ATTO 3 / Yuan Plus (SC2E) | P157897. Source evidence summary: “CC signal abnormal.”
- OBDTotal technical manual index: BYD ATTO 3 diagnostic evidence · technical_manual
19. Frequently asked questions
What does BYD code P157897 mean?
It means “CC signal abnormal” in the OBC/charging system.
Which vehicles are verified to use P157897?
The supplied evidence verifies applicability to the BYD ATTO 3, model years 2022–2026, Global market.
Can I drive with P157897?
Not yet established by verified evidence.
Can I charge with P157897?
Not yet established by verified evidence.
What causes P157897?
The evidence verifies only that the CC signal is abnormal. Specific causes are not yet established by verified evidence.