BEV model family
BYD SEAL error codes and diagnostics
Diagnostic coverage for model years 2022–2026. Verified entries below are linked to this model family by source-backed applicability evidence; model membership alone is never used to invent a code relationship.
PowertrainBEV
Model years2022–2026
Verified diagnostics26
Research leads0
Verified Verified BYD SEAL diagnostic codes
Each result opens a manufacturer-specific report with the code meaning, affected vehicles, source evidence and the full diagnostic knowledge page where available.
B2AB049Electric compressor current sampling circuit fault · 2022–2026View diagnostic report →B2AB149Electric compressor motor phase loss · 2022–2026View diagnostic report →B2AB249Electric compressor IPM/IGBT fault · 2022–2026View diagnostic report →B2AB349Electric compressor internal temperature sensor fault · 2022–2026View diagnostic report →B2AB41DElectric compressor internal overcurrent · 2022–2026View diagnostic report →B2AB573Electric compressor start-up fault · 2022–2026View diagnostic report →B2AB64BElectric compressor internal temperature abnormal · 2022–2026View diagnostic report →B2AB774Electric compressor speed abnormal · 2022–2026View diagnostic report →B2AB81CElectric compressor phase overvoltage · 2022–2026View diagnostic report →B2AB997Electric compressor overload · 2022–2026View diagnostic report →B2ABA1CElectric compressor internal low-voltage power-supply fault · 2022–2026View diagnostic report →B2ABB17Electric compressor high-voltage-side overvoltage · 2022–2026View diagnostic report →B2ABC16Electric compressor high-voltage-side undervoltage · 2022–2026View diagnostic report →P157016AC-side voltage low · 2022–2026View diagnostic report →P157017AC-side voltage high · 2022–2026View diagnostic report →P157400Power equipment fault · 2022–2026View diagnostic report →P157F11AC output short-circuited · 2022–2026View diagnostic report →P1A4100Main contactor sintered · 2022–2026View diagnostic report →P1A4200Negative contactor sintered · 2022–2026View diagnostic report →P1C0000Rear drive motor overcurrent · 2022–2026View diagnostic report →P1C0200Rear drive motor general overtemperature warning · 2022–2026View diagnostic report →P1C0219Rear drive motor serious overtemperature warning · 2022–2026View diagnostic report →P1C0300Rear motor controller IGBT-NTC general overtemperature · 2022–2026View diagnostic report →P1C0500Rear motor controller high-voltage undervoltage · 2022–2026View diagnostic report →P1C0600Rear motor controller high-voltage overvoltage · 2022–2026View diagnostic report →P1C1900Rear drive motor winding temperature sensor sampling abnormal · 2022–2026View diagnostic report →
About this model coverage
EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for BYD SEAL only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.
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All BYD EV models and diagnostics · Search all diagnostic codes · How verification works