BMW DTC P1197 – Differential Pressure Sensor Intake Manifold Circuit High (Bank 1)
DTC P1197 meaning on BMW
The DTC P1197 on a BMW indicates an issue with the Differential Pressure Sensor Intake Manifold Circuit on Bank 1. This fault code is triggered when the signal from the sensor is higher than the expected range, suggesting a potential problem with the intake manifold pressure readings.
BMW DTC P1197 symptoms
Symptoms of the DTC P1197 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Engine stalling or rough idling
- Decreased fuel efficiency
BMW DTC P1197 causes
Common causes of the DTC P1197 on a BMW include:
- Faulty Differential Pressure Sensor
- Wiring or connector issues in the sensor circuit
- Intake manifold leaks
- Issues with the intake air system
BMW DTC P1197 seriousness
The DTC P1197 should not be ignored as it can lead to poor engine performance and potential drivability issues. It is recommended to address this fault code promptly to prevent further damage to the vehicle.
How to diagnose DTC P1197 on BMW
To diagnose the DTC P1197 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the Differential Pressure Sensor and its wiring for any visible damage
- Check for any leaks in the intake manifold or intake air system
- Perform a smoke test to identify potential vacuum leaks
How to fix DTC P1197 on BMW
To fix the DTC P1197 on a BMW, you may need to:
- Replace the faulty Differential Pressure Sensor
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Address any leaks in the intake manifold or intake air system
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1197 on BMW
To erase the DTC P1197 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After clearing the code, it is recommended to perform a test drive to verify that the issue has been resolved.