P1DE4 – BMW DTC

BMW DTC P1DE4 – Fan 1 Current Sensor Circuit High

DTC P1DE4 meaning on BMW

DTC P1DE4 on a BMW indicates an issue with the Fan 1 Current Sensor Circuit registering a high voltage. This fault code is specific to the fan current sensor circuit of the vehicle.

BMW DTC P1DE4 symptoms

Symptoms of BMW DTC P1DE4 may include:

  • Check Engine Light illuminated
  • Engine overheating
  • Decreased cooling performance

BMW DTC P1DE4 causes

Common causes of BMW DTC P1DE4 include:

  • Defective fan current sensor
  • Wiring issues in the fan current sensor circuit
  • Faulty cooling fan assembly

BMW DTC P1DE4 seriousness

The seriousness of BMW DTC P1DE4 lies in the potential for engine overheating and subsequent damage if the cooling system is not functioning properly. It is important to address this issue promptly to prevent engine damage.

How to diagnose DTC P1DE4 on BMW

To diagnose BMW DTC P1DE4, you can:

  • Use a diagnostic scanner to retrieve the fault code
  • Inspect the fan current sensor and its wiring for any visible damage
  • Test the fan current sensor for proper operation

How to fix DTC P1DE4 on BMW

To fix BMW DTC P1DE4, you may need to:

  • Replace the faulty fan current sensor
  • Repair any damaged wiring in the fan current sensor circuit
  • Replace the cooling fan assembly if necessary

How to erase DTC P1DE4 on BMW

To erase BMW DTC P1DE4, you can:

  • Use a diagnostic scanner to clear the fault code
  • After fixing the underlying issue, reset the fault code using the scanner