BMW DTC P08E4 – Shift Solenoid ‘L’ Control Circuit Low
DTC P08E4 meaning on BMW
The DTC P08E4 code on a BMW indicates an issue with the Shift Solenoid ‘L’ Control Circuit being detected as low. This means that the control circuit for the Shift Solenoid ‘L’ is not operating within the expected voltage range, causing a malfunction in the transmission system.
BMW DTC P08E4 symptoms
Symptoms of the BMW DTC P08E4 code may include harsh shifting, delayed shifting, transmission slipping, or the transmission being stuck in a particular gear. The vehicle may also experience decreased fuel efficiency and overall performance issues.
BMW DTC P08E4 causes
The common causes of the BMW DTC P08E4 code include a faulty Shift Solenoid ‘L’, damaged wiring or connectors in the control circuit, low transmission fluid levels, or a malfunctioning transmission control module (TCM).
BMW DTC P08E4 seriousness
Ignoring the DTC P08E4 code 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 P08E4 on BMW
To diagnose the DTC P08E4 code on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer system. They would then inspect the Shift Solenoid ‘L’, check the wiring and connectors for any damage, and ensure that the transmission fluid levels are adequate. Further testing may be required to pinpoint the exact cause of the issue.
How to fix DTC P08E4 on BMW
Fixing the BMW DTC P08E4 code may involve replacing the faulty Shift Solenoid ‘L’, repairing any damaged wiring or connectors, topping up the transmission fluid, or reprogramming the transmission control module (TCM). It is recommended to follow the manufacturer’s guidelines and use genuine parts to ensure a proper repair.
How to erase DTC P08E4 on BMW
To erase the DTC P08E4 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After addressing the underlying issue that caused the code, the mechanic can then reset the system to remove the code and reset the Check Engine Light.
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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