BEV model family
BMW i4 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 diagnostics12
Research leads0
Verified Verified BMW i4 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.
0317F1High-voltage system, insulation resistance below warning threshold: when switch contactors are closed. The fault memory entries (isolation faults) can occur both individually and in combination and must be traced back to · 2022–2024View diagnostic report →0317F2High-voltage system, insulation fault detected: when switch contactors are closed · 2022–2024View diagnostic report →031B97AC charging, charging interface, charging plug detection: Electrical error · 2022View diagnostic report →224163Electric auxiliary heater for the high-voltage battery unit: Undervoltage or internal communication fault · 2022–2024View diagnostic report →224188Accelerator pedal module, pedal sensor, sensor 1, sensor 2: Signals implausible · 2023View diagnostic report →80419ALeft high-beam headlight: Short circuit and/or · 2020–2023View diagnostic report →8041A5light outputs: Number of permitted short circuit cycles exceeded · 2020–2023View diagnostic report →8049AACoolant level sensor, expansion tank: Coolant level low or short circuit to ground or line disconnection · 2024View diagnostic report →930949Knee airbag, driver: short circuit to negative terminal · 2022View diagnostic report →93094CKnee airbag driver's side: Resistance too great · 2022View diagnostic report →93094FKnee airbag, front passenger: short circuit to negative terminal · 2022View diagnostic report →High beam headlight failureHigh beam headlight failure · 2020–2023View diagnostic report →
About this model coverage
EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for BMW i4 only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.
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