BMW DTC P1630 – Throttle Valve Circuit (Bank 2)
DTC P1630 meaning on BMW
DTC P1630 for BMW refers to a fault in the Throttle Valve Circuit of Bank 2. This diagnostic trouble code indicates an issue with the throttle valve control system on the second bank of cylinders in the engine.
BMW DTC P1630 symptoms
Symptoms of DTC P1630 on a BMW may include:
- Engine stalling or rough idling
- Lack of power or acceleration
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced fuel efficiency
BMW DTC P1630 causes
The common causes of DTC P1630 on a BMW include:
- Faulty throttle valve position sensor
- Wiring or connector issues in the throttle valve circuit
- Throttle valve control module malfunction
- Electronic control unit (ECU) failure
BMW DTC P1630 seriousness
DTC P1630 should not be ignored as it can lead to drivability issues and potential engine damage if left unresolved. It is recommended to address this fault promptly to prevent further complications.
How to diagnose DTC P1630 on BMW
To diagnose DTC P1630 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the throttle valve position sensor and its wiring for any visible damage
- Check the throttle valve control module for proper operation
- Test the throttle valve circuit for continuity and proper voltage
How to fix DTC P1630 on BMW
To fix DTC P1630 on a BMW, you can try the following solutions:
- Replace the faulty throttle valve position sensor
- Repair or replace any damaged wiring or connectors in the throttle valve circuit
- If necessary, replace the throttle valve control module
- Reset the ECU and clear the fault code after making repairs
How to erase DTC P1630 on BMW
To erase DTC P1630 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECU’s memory. After addressing the underlying issue causing the fault code, clearing it from the system will reset the Check Engine Light and ensure proper operation.
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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