P2079 – BMW DTC

BMW DTC P2079 – Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 1)

DTC P2079 meaning on BMW

The Diagnostic Trouble Code (DTC) P2079 for BMW refers to an issue with the Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit on Bank 1. This code indicates that there is an intermittent problem with the sensor or switch that monitors the position of the IMT valve in the intake manifold.

BMW DTC P2079 symptoms

Symptoms of DTC P2079 on a BMW may include:

• Check Engine Light illuminated on the dashboard
• Reduced engine performance
• Engine stalling or rough idling
• Decreased fuel efficiency

BMW DTC P2079 causes

Common causes of DTC P2079 on a BMW include:

• Faulty IMT valve position sensor/switch
• Wiring or connector issues in the sensor circuit
• Carbon buildup in the intake manifold
• Software or calibration issues

BMW DTC P2079 seriousness

While DTC P2079 may not always result in immediate drivability issues, it is important to address this code promptly to prevent potential engine performance problems and further damage. Ignoring this code could lead to reduced fuel efficiency and potential engine misfires.

How to diagnose DTC P2079 on BMW

To diagnose DTC P2079 on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the wiring and connectors related to the IMT valve position sensor/switch
3. Check the IMT valve operation and position
4. Perform a visual inspection of the intake manifold for any signs of carbon buildup

How to fix DTC P2079 on BMW

To fix DTC P2079 on a BMW, you can try the following solutions:

1. Replace the IMT valve position sensor/switch if faulty
2. Repair any damaged wiring or connectors in the sensor circuit
3. Clean the intake manifold to remove any carbon buildup
4. Update the engine control module software if necessary

How to erase DTC P2079 on BMW

To erase DTC P2079 on a BMW, you can use a diagnostic scanner to clear the fault code from the engine control module’s memory. After addressing the underlying issue causing the code, clearing the code will reset the Check Engine Light and monitor the system for any recurring faults.

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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