BMW DTC P1196 – Differential Pressure Sensor Intake Manifold Circuit Low (Bank 2)
DTC P1196 meaning on BMW
The DTC P1196 code on a BMW indicates an issue with the Differential Pressure Sensor Intake Manifold Circuit on Bank 2. This sensor is responsible for measuring the pressure difference between the intake manifold and the atmosphere. A low circuit voltage is detected, signaling a potential problem with the sensor or its circuit.
BMW DTC P1196 symptoms
Symptoms of a DTC P1196 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Potential rough idling or stalling
- Decreased fuel efficiency
BMW DTC P1196 causes
Common causes of a DTC P1196 on a BMW include:
- Defective Differential Pressure Sensor
- Wiring or connector issues in the sensor circuit
- Intake manifold leaks
- Problems with the intake air system
BMW DTC P1196 seriousness
While a DTC P1196 may not cause immediate drivability issues, it can lead to reduced engine performance and fuel efficiency. Ignoring this code may result in further damage to engine components over time.
How to diagnose DTC P1196 on BMW
To diagnose a DTC P1196 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the Differential Pressure Sensor and its wiring for any visible damage
- Check for intake manifold leaks or other air intake system issues
- Perform a voltage test on the sensor circuit to determine if it is within specifications
How to fix DTC P1196 on BMW
To fix a DTC P1196 on a BMW, the following steps may be taken:
- Replace the Differential Pressure Sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Address any intake manifold leaks or air intake system problems
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1196 on BMW
To erase a DTC P1196 on a BMW, follow these steps:
- Use a diagnostic scanner to clear the fault code from the vehicle’s memory
- Ensure that the underlying issue causing the fault code has been addressed
- Perform a test drive to confirm that the code does not reappear
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.