BMW DTC P079E – Transmission Friction Element ‘E’ Slip Detected
DTC P079E meaning on BMW
The DTC P079E code on a BMW indicates that the Transmission Friction Element ‘E’ has been detected to be slipping. This means that the transmission is experiencing issues with the clutch or brake associated with the ‘E’ friction element, leading to improper engagement and disengagement of gears.
BMW DTC P079E symptoms
Symptoms of the BMW DTC P079E code may include harsh shifting, delayed engagement when shifting gears, slipping gears, decreased fuel efficiency, and in some cases, the transmission may go into a fail-safe mode to prevent further damage.
BMW DTC P079E causes
The common causes of the BMW DTC P079E code include worn-out clutch or brake components associated with the ‘E’ friction element, low transmission fluid levels, contaminated transmission fluid, faulty solenoids, or issues with the transmission control module.
BMW DTC P079E seriousness
Ignoring the DTC P079E code on a BMW can lead to further damage to the transmission system, potentially resulting in complete transmission failure. It is crucial to address this issue promptly to prevent costly repairs down the line.
How to diagnose DTC P079E on BMW
To diagnose the DTC P079E on a BMW, a mechanic would typically perform a thorough inspection of the transmission system, check the transmission fluid level and condition, conduct a scan tool analysis to retrieve fault codes, and perform a road test to observe the symptoms firsthand.
How to fix DTC P079E on BMW
Fixing the BMW DTC P079E code may involve replacing the worn-out clutch or brake components associated with the ‘E’ friction element, performing a transmission fluid flush and filter replacement, checking and repairing any faulty solenoids, or addressing issues with the transmission control module.
How to erase DTC P079E on BMW
Once the underlying issue causing the DTC P079E code on a BMW has been resolved, the code can be erased using a diagnostic scan tool. By clearing the code, the vehicle’s onboard computer will reset the transmission system’s parameters and monitor for any recurring issues.
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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