P1C4D – BMW DTC

BMW DTC P1C4D – Universal Charger Extension Control Module Crash Clamp Voltage Sensor Circuit Voltage Out of Range Low

DTC P1C4D meaning on BMW

  • DTC: Diagnostic Trouble Code
  • P1C4D: Universal Charger Extension Control Module Crash Clamp Voltage Sensor Circuit Voltage Out of Range Low
  • On BMW vehicles, this code indicates an issue with the voltage sensor circuit related to the crash clamp in the universal charger extension control module.

BMW DTC P1C4D symptoms

  • Illuminated check engine light
  • Reduced charging performance
  • Erratic behavior of the charging system

BMW DTC P1C4D causes

  • Faulty voltage sensor
  • Wiring issues in the voltage sensor circuit
  • Connection problems in the crash clamp

BMW DTC P1C4D seriousness

  • If left unresolved, this issue can lead to improper charging of the vehicle’s battery, potentially causing starting or electrical system problems.
  • It is recommended to address this code promptly to avoid further complications.

How to diagnose DTC P1C4D on BMW

  • Use a diagnostic scanner to retrieve the fault codes and perform a comprehensive scan of the charging system.
  • Inspect the wiring and connections related to the voltage sensor circuit and crash clamp for any visible damage or corrosion.
  • Test the voltage sensor for proper functionality using a multimeter.

How to fix DTC P1C4D on BMW

  • Replace the faulty voltage sensor if it is determined to be the cause of the issue.
  • Repair any damaged wiring or connections in the circuit.
  • Clean and secure the connections in the crash clamp to ensure proper contact.

How to erase DTC P1C4D on BMW

  • After addressing the root cause of the issue, use a diagnostic scanner to clear the fault codes from the vehicle’s system.
  • Ensure that the repairs have been completed successfully before clearing the code.