BMW DTC P205D – Reductant Tank Temperature Sensor ‘A’ Circuit High
DTC P205D meaning on BMW
DTC P205D indicates that there is a malfunction in the Reductant Tank Temperature Sensor ‘A’ circuit on a BMW vehicle. The Engine Control Module (ECM) has detected a high voltage condition in the sensor circuit, which may be caused by various issues.
BMW DTC P205D symptoms
Symptoms of DTC P205D on a BMW may include the Check Engine Light being illuminated on the dashboard. In some cases, the vehicle may go into a reduced power mode or fail to start altogether.
BMW DTC P205D causes
The causes of DTC P205D on a BMW can vary, but common reasons include a faulty Reductant Tank Temperature Sensor ‘A’, wiring issues in the sensor circuit, or a malfunction in the ECM.
BMW DTC P205D seriousness
While DTC P205D may not cause immediate drivability issues, it is important to address this fault promptly to prevent potential damage to the vehicle’s emissions system and ensure optimal performance.
How to diagnose DTC P205D on BMW
To diagnose DTC P205D on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the Reductant Tank Temperature Sensor ‘A’ circuit, including checking the sensor’s resistance and the integrity of the wiring.
How to fix DTC P205D on BMW
Fixing DTC P205D on a BMW may involve replacing the Reductant Tank Temperature Sensor ‘A’ if it is found to be faulty. Additionally, any damaged wiring or connectors should be repaired or replaced as needed. Clearing the fault code and performing a test drive to ensure the issue is resolved is also recommended.
How to erase DTC P205D on BMW
To erase DTC P205D on a BMW, a diagnostic scanner can be used to clear the fault code from the ECM’s memory. After the repair has been completed, the vehicle should be driven to ensure the fault does not reoccur.
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.