BMW DTC P08DB – Shift Solenoid ‘K’ Control Circuit Low
DTC P08DB meaning on BMW
The DTC P08DB code on a BMW indicates an issue with the Shift Solenoid ‘K’ control circuit being detected as low. This means that the powertrain control module (PCM) has detected a lower than expected voltage signal from the Shift Solenoid ‘K’ control circuit.
BMW DTC P08DB symptoms
Symptoms of the DTC P08DB code on a BMW may include harsh shifting, delayed shifting, transmission slipping, or the transmission may fail to shift at all. The vehicle may also experience decreased fuel efficiency and overall performance.
BMW DTC P08DB causes
The causes of the DTC P08DB code on a BMW can vary, but common reasons include a faulty Shift Solenoid ‘K’, damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning PCM.
BMW DTC P08DB seriousness
Ignoring the DTC P08DB 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 P08DB on BMW
To diagnose the DTC P08DB code on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the PCM. They would then inspect the Shift Solenoid ‘K’ control circuit, check for any damaged wiring or connectors, and test the solenoid itself for proper operation.
How to fix DTC P08DB on BMW
Fixing the DTC P08DB code on a BMW may involve replacing the faulty Shift Solenoid ‘K’, repairing any damaged wiring or connectors in the control circuit, ensuring the transmission fluid level is correct, and resetting the PCM to clear the fault code.
How to erase DTC P08DB on BMW
To erase the DTC P08DB code on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the PCM’s memory. Once the issue has been addressed and fixed, the code can be erased to reset the system and turn off 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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