BMW DTC P1199 – Differential Pressure Sensor Intake Manifold Pressure Plausibility (Bank 1)
DTC P1199 meaning on BMW
The DTC P1199 on a BMW indicates a fault with the Differential Pressure Sensor Intake Manifold Pressure Plausibility in Bank 1. This means that the signal from the sensor is not within the expected range, leading to a discrepancy in the intake manifold pressure readings.
BMW DTC P1199 symptoms
Symptoms of the DTC P1199 in a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Engine stalling or rough idling
- Decreased fuel efficiency
BMW DTC P1199 causes
Common causes of the DTC P1199 in a BMW include:
- Faulty Differential Pressure Sensor
- Vacuum leaks in the intake system
- Wiring or connector issues
- Intake manifold pressure sensor calibration error
BMW DTC P1199 seriousness
The DTC P1199 should not be ignored as it can lead to engine performance issues and potentially affect the overall drivability of the vehicle. It is recommended to address this fault promptly to prevent further complications.
How to diagnose DTC P1199 on BMW
To diagnose the DTC P1199 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the Differential Pressure Sensor for any visible damage or contamination
- Check for vacuum leaks in the intake system
- Test the sensor’s electrical connections and wiring for continuity
How to fix DTC P1199 on BMW
To fix the DTC P1199 on a BMW, you can try the following solutions:
- Replace the faulty Differential Pressure Sensor
- Repair any vacuum leaks in the intake system
- Ensure proper calibration of the intake manifold pressure sensor
- Check and repair any damaged wiring or connectors
How to erase DTC P1199 on BMW
To erase the DTC P1199 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s ECU memory. Once the issue has been addressed and fixed, you can reset the code to turn off the Check Engine Light.
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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