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P16BB – BMW DTC

BMW DTC P16BB – Throttle Valve Actuator Start Test Spring Test Failed (Bank 2)

DTC P16BB meaning on BMW

DTC P16BB on a BMW indicates that the Throttle Valve Actuator Start Test Spring Test has failed on Bank 2. This means that there is an issue with the throttle valve actuator system on the second bank of the engine.

BMW DTC P16BB symptoms

Symptoms of DTC P16BB on a BMW may include:

  • Reduced engine performance
  • Engine stalling
  • Check Engine Light illuminated
  • Difficulty accelerating

BMW DTC P16BB causes

Common causes of DTC P16BB on a BMW include:

  • Throttle valve actuator failure
  • Wiring or connector issues
  • Software glitches

BMW DTC P16BB seriousness

DTC P16BB should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. It is recommended to diagnose and fix the issue as soon as possible.

How to diagnose DTC P16BB on BMW

To diagnose DTC P16BB on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the throttle valve actuator and its wiring for any visible damage
  3. Check the connectors for proper connection
  4. Perform a throttle valve actuator test using diagnostic equipment

How to fix DTC P16BB on BMW

To fix DTC P16BB on a BMW, you can try the following solutions:

  1. Replace the throttle valve actuator if it is found to be faulty
  2. Repair any damaged wiring or connectors
  3. Update the software if necessary
  4. Clear the fault codes and perform a test drive to ensure the issue is resolved

How to erase DTC P16BB on BMW

To erase DTC P16BB on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s ECU. Once the codes are cleared, you can perform a test drive to verify that the issue has been resolved.

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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