BMW DTC P273B – Transmission Friction Element ‘H’ Apply Time Range/Performance
DTC P273B meaning on BMW
The DTC P273B code on a BMW indicates an issue with the Transmission Friction Element ‘H’ Apply Time Range/Performance. This means that there is a problem with the timing or performance of the friction element ‘H’ within the transmission system.
BMW DTC P273B symptoms
Symptoms of the DTC P273B code on a BMW may include harsh shifting, delayed engagement when shifting gears, slipping gears, or the transmission going into limp mode. The vehicle may also experience decreased fuel efficiency and overall performance.
BMW DTC P273B causes
The DTC P273B code on a BMW can be caused by various factors such as low transmission fluid levels, dirty or contaminated transmission fluid, a faulty transmission solenoid, a malfunctioning transmission valve body, or internal transmission damage.
BMW DTC P273B seriousness
Ignoring the DTC P273B code on a BMW can lead to further damage to the transmission system, resulting in costly repairs. Continued driving with this issue can also pose a safety risk as it may affect the vehicle’s drivability and performance.
How to diagnose DTC P273B on BMW
To diagnose the DTC P273B code on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer system. They will then perform a visual inspection of the transmission system, check the transmission fluid level and condition, and conduct various tests to pinpoint the exact cause of the issue.
How to fix DTC P273B on BMW
Fixing the DTC P273B code on a BMW may involve replacing the transmission fluid, cleaning or replacing the transmission solenoid, repairing or replacing the transmission valve body, or addressing any internal transmission damage. It is recommended to have the repairs done by a qualified mechanic to ensure proper diagnosis and resolution of the issue.
How to erase DTC P273B on BMW
Once the underlying issue causing the DTC P273B code on a BMW has been fixed, the code can be erased using a diagnostic scanner. The mechanic will clear the fault codes from the vehicle’s computer system, and the Check Engine Light should turn off. It is important to verify that the issue has been resolved before clearing the code to prevent it from reoccurring.
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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