P1430 – BMW DTC

BMW DTC P1430 – Diagnostic Module Tank Leakage (DM-TL) Heater Control Circuit Low

DTC P1430 meaning on BMW

The Diagnostic Trouble Code (DTC) P1430 for BMW refers to the Diagnostic Module Tank Leakage (DM-TL) Heater Control Circuit Low. This code indicates that there is a malfunction in the control circuit of the DM-TL heater, which is responsible for managing the tank leakage detection system in the vehicle.

BMW DTC P1430 symptoms

Some common symptoms associated with BMW DTC P1430 may include:

  • Check Engine Light (MIL) illuminated on the dashboard
  • Decreased fuel efficiency
  • Issues with the evaporative emissions system

BMW DTC P1430 causes

The potential causes of BMW DTC P1430 can vary, but some common reasons include:

  • Faulty DM-TL heater
  • Wiring or connection issues in the heater control circuit
  • Defective DM-TL module

BMW DTC P1430 seriousness

While BMW DTC P1430 may not cause immediate drivability issues, it is essential to address this code promptly to prevent potential problems with the vehicle’s emissions system and overall performance.

How to diagnose DTC P1430 on BMW

To diagnose BMW DTC P1430, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the DM-TL heater and its wiring for any visible damage or corrosion
  3. Test the DM-TL heater control circuit for continuity and proper voltage

How to fix DTC P1430 on BMW

To fix BMW DTC P1430, the following steps may be taken:

  1. Replace the faulty DM-TL heater if necessary
  2. Repair any damaged wiring or connections in the heater control circuit
  3. If the DM-TL module is defective, it may need to be replaced

How to erase DTC P1430 on BMW

To erase DTC P1430 on a BMW, you can use a diagnostic scanner to clear the code after the underlying issue has been addressed and fixed. This will reset the Check Engine Light and remove the DTC from the vehicle’s memory.