BMW DTC P0113 – Intake Air Temperature Sensor 1 Circuit High (Bank 1)
DTC P0113 meaning on BMW
DTC P0113 indicates that the Engine Control Module (ECM) has detected a high voltage signal from the Intake Air Temperature (IAT) sensor 1 circuit in Bank 1 of the BMW’s engine. The IAT sensor measures the temperature of the air entering the engine, providing crucial data for fuel delivery and ignition timing.
BMW DTC P0113 symptoms
Symptoms of DTC P0113 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough or stalling
- Reduced engine performance
BMW DTC P0113 causes
Common causes of DTC P0113 on a BMW include:
- Faulty Intake Air Temperature sensor
- Wiring or connector issues in the IAT sensor circuit
- ECM software or hardware problems
BMW DTC P0113 seriousness
While DTC P0113 may not cause immediate engine failure, it can lead to poor engine performance and decreased fuel efficiency. Ignoring this code may result in further damage to engine components over time.
How to diagnose DTC P0113 on BMW
To diagnose DTC P0113 on a BMW, you can:
- Use an OBD-II scanner to retrieve the fault code
- Inspect the IAT sensor and its wiring for damage or corrosion
- Check the ECM for any related error codes
How to fix DTC P0113 on BMW
To fix DTC P0113 on a BMW, you may need to:
- Replace the faulty Intake Air Temperature sensor
- Repair or replace damaged wiring or connectors in the IAT sensor circuit
- Clear the fault code and reset the ECM
How to erase DTC P0113 on BMW
To erase DTC P0113 on a BMW, you can:
- Use an OBD-II scanner to clear the fault code
- Alternatively, disconnect the battery for a few minutes to reset the ECM
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.