BMW DTC P2012 – Intake Manifold Runner Control Circuit Low (Bank 2)
DTC P2012 meaning on BMW
The Diagnostic Trouble Code (DTC) P2012 for BMW refers to the Intake Manifold Runner Control Circuit Low on Bank 2. This code indicates that there is a low voltage condition detected in the control circuit of the intake manifold runner on the second bank of the engine.
BMW DTC P2012 symptoms
Symptoms of DTC P2012 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Reduced engine performance or power
- Engine may run rough or stall
BMW DTC P2012 causes
Common causes of DTC P2012 on a BMW include:
- Faulty intake manifold runner control solenoid
- Wiring issues in the control circuit
- Intake manifold runner control module failure
BMW DTC P2012 seriousness
While DTC P2012 may not cause immediate harm to the vehicle, it can lead to reduced engine performance and fuel efficiency if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P2012 on BMW
To diagnose DTC P2012 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the intake manifold runner control solenoid and wiring for any visible damage
- Test the intake manifold runner control module for proper functionality
How to fix DTC P2012 on BMW
To fix DTC P2012 on a BMW, you can try the following solutions:
- Replace the faulty intake manifold runner control solenoid
- Repair any damaged wiring in the control circuit
- If the intake manifold runner control module is faulty, replace it with a new one
How to erase DTC P2012 on BMW
To erase DTC P2012 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the codes are cleared, you can drive the vehicle and monitor if the Check Engine Light reappears.
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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