BMW DTC P1650 – Start While Engine is Running
DTC P1650 meaning on BMW
DTC P1650 on a BMW indicates a fault with the ¨Start While Engine is Running¨ function. This means that the engine was started while it was already running, which is an abnormal condition that the vehicle’s control module has detected.
BMW DTC P1650 symptoms
Symptoms of DTC P1650 on a BMW may include engine stalling, rough idling, poor acceleration, and in some cases, the engine may not start at all. The Check Engine Light may also be illuminated on the dashboard.
BMW DTC P1650 causes
The most common causes of DTC P1650 on a BMW include a faulty ignition switch, a malfunctioning starter motor, issues with the engine control module (ECM), or wiring problems in the starting system.
BMW DTC P1650 seriousness
While DTC P1650 may not always result in immediate drivability issues, it is important to address this fault as it can lead to more serious problems if left unresolved. Ignoring this fault can potentially cause damage to the engine or other components of the vehicle.
How to diagnose DTC P1650 on BMW
To diagnose DTC P1650 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s ECM. They would then perform a visual inspection of the ignition system, starter motor, and related wiring to check for any visible signs of damage or wear. Additionally, testing the ignition switch and starter motor for proper functionality would be necessary.
How to fix DTC P1650 on BMW
Fixing DTC P1650 on a BMW may involve replacing the faulty ignition switch, repairing or replacing the starter motor, addressing any wiring issues, or reprogramming the engine control module if necessary. It is recommended to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix.
How to erase DTC P1650 on BMW
To erase DTC P1650 on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the ECM. After the repair has been completed, the vehicle should be driven to allow the ECM to perform a self-check and verify that the fault has been resolved. If the issue has been successfully fixed, the Check Engine Light should turn off on its own.
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.