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P053B – BMW DTC

BMW DTC P053B – PCV Heater Control Circuit Low

DTC P053B meaning on BMW

DTC P053B on a BMW refers to the PCV (Positive Crankcase Ventilation) Heater Control Circuit Low. This diagnostic trouble code indicates that the control circuit for the PCV heater is operating at a lower voltage level than expected.

BMW DTC P053B symptoms

Symptoms of DTC P053B on a BMW may include:

  • Check Engine Light illuminated
  • Reduced engine performance
  • Potential rough idling

BMW DTC P053B causes

Common causes of DTC P053B on a BMW include:

  • Defective PCV heater control circuit
  • Wiring issues or poor connections
  • PCV heater malfunction

BMW DTC P053B seriousness

While DTC P053B may not cause immediate drivability issues, it is important to address this fault to prevent potential long-term damage to the PCV system and ensure optimal engine performance.

How to diagnose DTC P053B on BMW

To diagnose DTC P053B on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the PCV heater control circuit for any visible damage or corrosion
  3. Check the wiring and connectors for proper continuity
  4. Test the PCV heater for proper functionality

How to fix DTC P053B on BMW

To fix DTC P053B on a BMW, the following steps may be taken:

  1. Repair or replace any damaged wiring or connectors in the PCV heater control circuit
  2. Replace the PCV heater if found to be faulty
  3. Clear the fault code and reset the Check Engine Light

How to erase DTC P053B on BMW

To erase DTC P053B on a BMW, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue, the fault code can be cleared to reset the Check Engine Light.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

← All BMW Diagnostic Trouble Codes

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