BMW DTC P1580 – Throttle Valve Mechanically Stuck (M73: Throttle Valve 1 Spring Test)
DTC P1580 meaning on BMW
DTC P1580 on a BMW indicates that the throttle valve is mechanically stuck. Specifically, this code refers to the Throttle Valve 1 Spring Test (M73) being out of specification. The throttle valve is a crucial component that controls the amount of air entering the engine, affecting performance and fuel efficiency.
BMW DTC P1580 symptoms
Symptoms of DTC P1580 on a BMW may include rough idling, poor acceleration, reduced engine power, and potentially stalling. The vehicle may also exhibit a lack of response to throttle inputs or have difficulty maintaining a consistent speed.
BMW DTC P1580 causes
The most common causes of DTC P1580 on a BMW are a faulty throttle valve, a malfunctioning throttle position sensor, or issues with the throttle actuator. Additionally, wiring or connection problems related to these components can also trigger this fault code.
BMW DTC P1580 seriousness
DTC P1580 should be taken seriously as it can significantly impact the drivability and performance of the vehicle. Ignoring this fault code may lead to further damage to engine components and potentially unsafe driving conditions.
How to diagnose DTC P1580 on BMW
To diagnose DTC P1580 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and perform a visual inspection of the throttle valve and related components. Testing the throttle position sensor and throttle actuator for proper operation is crucial in identifying the root cause of the issue.
How to fix DTC P1580 on BMW
Fixing DTC P1580 on a BMW may involve cleaning or replacing the throttle valve, repairing or replacing the throttle position sensor, or addressing any wiring issues. It is essential to follow the manufacturer’s recommended procedures and use quality replacement parts to ensure a proper repair.
How to erase DTC P1580 on BMW
Once the underlying issue causing DTC P1580 on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. By erasing the code, the vehicle’s onboard computer will reset and monitor the system for any recurring faults.
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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