P1CA4 – BMW DTC

BMW DTC P1CA4 – AC/DC Converter Resonant Inductor Temperature Sensor Circuit Temperature Implausible High

DTC P1CA4 meaning on BMW

  • DTC: Diagnostic Trouble Code
  • P1CA4: AC/DC Converter Resonant Inductor Temperature Sensor Circuit Temperature Implausible High
  • This code indicates that the temperature sensor circuit for the AC/DC converter resonant inductor is reporting a temperature that is unreasonably high.

BMW DTC P1CA4 symptoms

  • Check Engine Light may illuminate
  • Reduced engine performance
  • Possible overheating issues

BMW DTC P1CA4 causes

  • Faulty temperature sensor
  • Wiring or connection issues in the sensor circuit
  • AC/DC converter malfunction

BMW DTC P1CA4 seriousness

  • If left unresolved, it can lead to further damage to the AC/DC converter system
  • May result in poor vehicle performance and potential overheating

How to diagnose DTC P1CA4 on BMW

  • Use a diagnostic scanner to retrieve the fault codes
  • Inspect the temperature sensor and its wiring for any visible damage
  • Check the AC/DC converter for proper operation

How to fix DTC P1CA4 on BMW

  • Replace the faulty temperature sensor if necessary
  • Repair any damaged wiring or connections in the sensor circuit
  • If the AC/DC converter is faulty, it may need to be replaced

How to erase DTC P1CA4 on BMW

  • After fixing the underlying issue, use a diagnostic scanner to clear the fault codes
  • Ensure that the Check Engine Light is no longer illuminated