P1CD4 – BMW DTC

BMW DTC P1CD4 – DC/DC Converter High Voltage Current Sensor ‘B’ Circuit Current Out of Range High

DTC P1CD4 meaning on BMW

The DTC P1CD4 code on a BMW indicates an issue with the DC/DC converter high voltage current sensor ‘B’ circuit current being out of range high. This means that the sensor responsible for monitoring the current in the high voltage circuit is detecting a current level that is above the expected range.

BMW DTC P1CD4 symptoms

Symptoms of the DTC P1CD4 code on a BMW may include:

  • Check Engine Light illuminated
  • Reduced power or performance
  • Vehicle may go into a reduced power mode

BMW DTC P1CD4 causes

Possible causes of the DTC P1CD4 code on a BMW include:

  • Faulty high voltage current sensor ‘B’
  • Wiring or connection issues in the sensor circuit
  • High voltage system malfunction

BMW DTC P1CD4 seriousness

The DTC P1CD4 code should be addressed promptly as it can lead to reduced performance and potential safety hazards. Ignoring this code may result in further damage to the high voltage system of the vehicle.

How to diagnose DTC P1CD4 on BMW

To diagnose the DTC P1CD4 code on a BMW, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the high voltage current sensor ‘B’ and its circuit for any visible damage or loose connections
  3. Test the sensor’s resistance and voltage readings to determine if it is functioning correctly
  4. Check the high voltage system for any other related issues

How to fix DTC P1CD4 on BMW

To fix the DTC P1CD4 code on a BMW, the following steps may be taken:

  1. Replace the faulty high voltage current sensor ‘B’
  2. Repair any damaged wiring or connections in the sensor circuit
  3. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved

How to erase DTC P1CD4 on BMW

To erase the DTC P1CD4 code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer system. Once the codes are cleared, the Check Engine Light should turn off. It is important to ensure that the underlying issue causing the fault code has been addressed before clearing the code.