BMW DTC P2873 – Clutch ‘B’ Pressure Engagement Too High
DTC P2873 meaning on BMW
DTC P2873 on a BMW indicates that the clutch ‘B’ pressure engagement is too high. This means that the pressure applied to the clutch ‘B’ during engagement is exceeding the specified parameters set by the vehicle’s manufacturer.
BMW DTC P2873 symptoms
Symptoms of DTC P2873 on a BMW may include harsh or delayed engagement when shifting gears, slipping clutch, difficulty in shifting, and in some cases, the transmission may go into a fail-safe mode to prevent further damage.
BMW DTC P2873 causes
The common causes of DTC P2873 on a BMW include a malfunctioning clutch pressure control solenoid, low transmission fluid level, dirty or contaminated transmission fluid, a faulty clutch pressure sensor, or internal transmission issues.
BMW DTC P2873 seriousness
Ignoring DTC P2873 on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent any long-term damage to the vehicle.
How to diagnose DTC P2873 on BMW
To diagnose DTC P2873 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes from the vehicle’s transmission control module. They would then inspect the clutch pressure control solenoid, clutch pressure sensor, and check the transmission fluid level and condition. Further testing may be required to pinpoint the exact cause of the issue.
How to fix DTC P2873 on BMW
Fixing DTC P2873 on a BMW may involve replacing the faulty clutch pressure control solenoid, clutch pressure sensor, or addressing any transmission fluid issues. It is recommended to follow the manufacturer’s repair procedures and use genuine parts to ensure proper functionality of the transmission system.
How to erase DTC P2873 on BMW
Once the underlying issue causing DTC P2873 on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the transmission control module and turn off the check engine light. It is important to verify that the issue has been resolved before clearing the fault codes.
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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