P1416 – BMW DTC

BMW DTC P1416 – Secondary Air Injection Valve Stuck Off

DTC P1416 meaning on BMW

The Diagnostic Trouble Code (DTC) P1416 on a BMW indicates that the Secondary Air Injection (AIR) system valve is stuck in the off position. The Secondary Air Injection system is responsible for reducing emissions during cold engine starts by injecting fresh air into the exhaust system to help with the combustion process.

BMW DTC P1416 symptoms

Symptoms of a DTC P1416 on a BMW may include:

  • Check Engine Light (CEL) illuminated on the dashboard
  • Reduced engine performance
  • Inefficient fuel consumption
  • Possible rough idling or misfiring

BMW DTC P1416 causes

The common causes of a DTC P1416 on a BMW are:

  • Faulty Secondary Air Injection (AIR) valve
  • Wiring or connector issues in the AIR system
  • Blocked or clogged AIR system components
  • Problems with the AIR pump

BMW DTC P1416 seriousness

While a DTC P1416 may not cause immediate drivability issues, it can lead to increased emissions and potential long-term engine problems if left unresolved. It is important to address this issue to maintain optimal engine performance and reduce environmental impact.

How to diagnose DTC P1416 on BMW

To diagnose a DTC P1416 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the Secondary Air Injection system components for any visible damage or blockages
  3. Check the wiring and connectors for any signs of wear or corrosion
  4. Test the functionality of the AIR valve and pump

How to fix DTC P1416 on BMW

To fix a DTC P1416 on a BMW, you may need to:

  1. Replace the faulty Secondary Air Injection (AIR) valve
  2. Repair or replace any damaged wiring or connectors in the AIR system
  3. Clean or replace any blocked or clogged AIR system components
  4. Address any issues with the AIR pump

How to erase DTC P1416 on BMW

To erase a DTC P1416 on a BMW, you can:

  1. Fix the underlying issue causing the fault code
  2. Use a diagnostic scanner to clear the code from the vehicle’s memory
  3. Ensure that the repair has been successful by monitoring the system for any recurring issues

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

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