P117F – BMW DTC

BMW DTC P117F – Intake Air Temperature 1 Too High (Bank 2)

DTC P117F meaning on BMW

DTC P117F on a BMW indicates that the Intake Air Temperature 1 is too high on Bank 2. This means that the engine control module (ECM) has detected that the intake air temperature sensor is reporting a temperature that is higher than the expected range for Bank 2 of the engine.

BMW DTC P117F symptoms

Symptoms of DTC P117F on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Poor fuel efficiency
• Rough idling or stalling

BMW DTC P117F causes

Common causes of DTC P117F on a BMW include:

• Faulty intake air temperature sensor
• Wiring or connector issues in the intake air temperature sensor circuit
• Intake air leaks
• Engine overheating

BMW DTC P117F seriousness

While DTC P117F may not cause immediate harm to the engine, it can lead to reduced performance and fuel efficiency. Ignoring this fault code can potentially cause further damage to engine components over time.

How to diagnose DTC P117F on BMW

To diagnose DTC P117F on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the intake air temperature sensor and its wiring for any visible damage
3. Check for any intake air leaks or restrictions
4. Test the intake air temperature sensor using a multimeter

How to fix DTC P117F on BMW

To fix DTC P117F on a BMW, you can try the following solutions:

1. Replace the faulty intake air temperature sensor
2. Repair any damaged wiring or connectors in the sensor circuit
3. Address any intake air leaks or restrictions
4. Clean or replace the air filter if necessary

How to erase DTC P117F on BMW

To erase DTC P117F on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After fixing the underlying issue that caused the fault code, you can then erase it to reset 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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