P22DE – BMW DTC

BMW DTC P22DE – Cylinder 2 Alternative Fuel Injector Control Circuit Low

DTC P22DE meaning on BMW

DTC P22DE on a BMW indicates an issue with the Cylinder 2 Alternative Fuel Injector Control Circuit being detected as low. This means that there is a problem with the control circuit for the alternative fuel injector in cylinder 2, which can lead to improper fuel delivery and affect the engine’s performance.

BMW DTC P22DE symptoms

Symptoms of DTC P22DE on a BMW may include:

  • Check Engine Light illuminated
  • Engine misfires
  • Reduced engine performance
  • Increased fuel consumption

BMW DTC P22DE causes

Common causes of DTC P22DE on a BMW include:

  • Faulty alternative fuel injector in cylinder 2
  • Wiring or connector issues in the control circuit
  • ECU (Engine Control Unit) malfunction

BMW DTC P22DE seriousness

DTC P22DE should not be ignored as it can lead to poor engine performance and potential damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P22DE on BMW

To diagnose DTC P22DE on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the wiring and connectors related to the alternative fuel injector in cylinder 2
  3. Test the resistance of the injector and the control circuit
  4. Check for any other related fault codes

How to fix DTC P22DE on BMW

To fix DTC P22DE on a BMW, the following steps may be taken:

  1. Replace the faulty alternative fuel injector in cylinder 2
  2. Repair any damaged wiring or connectors in the control circuit
  3. If necessary, replace the ECU
  4. Clear the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P22DE on BMW

To erase DTC P22DE on a BMW, follow these steps:

  1. Use a diagnostic scanner to clear the fault code
  2. Ensure that the underlying issue causing the fault code has been addressed
  3. Perform a test drive to confirm that the fault code does not reappear

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.