BMW DTC P1370 – Ionic Current Signal Amplification Control Circuit Low (Bank 1)
DTC P1370 meaning on BMW
The Diagnostic Trouble Code (DTC) P1370 for BMW refers to the Ionic Current Signal Amplification Control Circuit Low on Bank 1. This code indicates that there is an issue with the circuit responsible for amplifying the ionic current signal in the engine control module.
BMW DTC P1370 symptoms
Symptoms of DTC P1370 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Engine running rough or misfiring
- Reduced engine performance
- Potential stalling or difficulty starting the engine
BMW DTC P1370 causes
Common causes of DTC P1370 on a BMW include:
- Faulty ionic current module
- Wiring or connection issues in the amplification control circuit
- Defective engine control module (ECM)
- Corrosion or damage to electrical components
BMW DTC P1370 seriousness
While DTC P1370 may not always result in immediate drivability issues, it is important to address this code promptly. Ignoring this fault can lead to further engine performance issues and potential damage over time.
How to diagnose DTC P1370 on BMW
To diagnose DTC P1370 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 wiring and connections related to the ionic current signal amplification control circuit
- Test the ionic current module and ECM for proper functionality
- Check for any signs of corrosion or damage in the circuit components
How to fix DTC P1370 on BMW
To fix DTC P1370 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections in the circuit
- Replace the faulty ionic current module if necessary
- If the ECM is found to be defective, it may need to be reprogrammed or replaced
- Clear the fault code and perform a test drive to ensure the issue has been resolved
How to erase DTC P1370 on BMW
To erase DTC P1370 on a BMW, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made, the code can be reset, and the Check Engine Light should turn off. It is important to verify that the issue has been resolved before clearing the code.
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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