BMW DTC P1163 – Value Comparison Throttle Position Sensor 1 / Hot Film Air Mass Meter (Bank 2)
DTC P1163 meaning on BMW
The DTC P1163 on a BMW indicates a value comparison fault between the Throttle Position Sensor 1 and the Hot Film Air Mass Meter in Bank 2 of the engine. This fault typically points to an issue with the electronic throttle control system or the air intake system.
BMW DTC P1163 symptoms
Symptoms of DTC P1163 on a BMW may include:
- Engine hesitation or stalling
- Poor acceleration
- Reduced fuel efficiency
- Illuminated check engine light
BMW DTC P1163 causes
Common causes of DTC P1163 on a BMW include:
- Faulty Throttle Position Sensor
- Malfunctioning Hot Film Air Mass Meter
- Wiring or connector issues in the throttle control circuit
- Vacuum leaks in the intake system
BMW DTC P1163 seriousness
While DTC P1163 may not always result in immediate drivability issues, it can lead to poor engine performance and reduced fuel efficiency if left unresolved. Ignoring this fault can potentially cause further damage to engine components over time.
How to diagnose DTC P1163 on BMW
To diagnose DTC P1163 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the Throttle Position Sensor and Hot Film Air Mass Meter for any visible damage
- Check the wiring and connectors in the throttle control circuit for continuity and proper connections
- Perform a vacuum leak test on the intake system
How to fix DTC P1163 on BMW
To fix DTC P1163 on a BMW, the following steps may be taken:
- Replace the faulty Throttle Position Sensor or Hot Film Air Mass Meter
- Repair any damaged wiring or connectors in the throttle control circuit
- Address any vacuum leaks in the intake system
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1163 on BMW
To erase DTC P1163 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s engine control module. Once the code is cleared, the check engine light should turn off. It is important to ensure that the underlying issue causing the fault code has been properly addressed before clearing the code.