BMW DTC P112E – Manifold Absolute Pressure to Throttle Angle – Too Low (Bank 1)
DTC P112E meaning on BMW
DTC P112E on a BMW indicates a fault with the Manifold Absolute Pressure (MAP) sensor reading being too low in relation to the throttle angle on Bank 1 of the engine. This means that there is a discrepancy between the pressure in the intake manifold and the position of the throttle, which can affect the engine’s performance.
BMW DTC P112E symptoms
Symptoms of a DTC P112E on a BMW may include:
- Reduced engine power
- Poor acceleration
- Engine stalling
- Check Engine Light illuminated
BMW DTC P112E causes
Common causes of a DTC P112E on a BMW include:
- Faulty MAP sensor
- Vacuum leaks in the intake system
- Throttle body issues
- Wiring or connector problems
BMW DTC P112E seriousness
The seriousness of a DTC P112E on a BMW depends on the underlying cause. Ignoring this fault can lead to poor engine performance, reduced fuel efficiency, and potential drivability issues. It is recommended to address this issue promptly to prevent further damage.
How to diagnose DTC P112E on BMW
To diagnose a DTC P112E on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the MAP sensor and its wiring for any visible damage
- Check for vacuum leaks in the intake system
- Test the throttle body for proper operation
How to fix DTC P112E on BMW
To fix a DTC P112E on a BMW, you can try the following solutions:
- Replace the faulty MAP sensor
- Repair any vacuum leaks in the intake system
- Clean or replace the throttle body if necessary
- Ensure all wiring and connectors are in good condition
How to erase DTC P112E on BMW
To erase a DTC P112E on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue and making the necessary repairs, you can reset the Check Engine Light and verify that the fault code does not return.
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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