BMW DTC P2812 – Pressure Control Solenoid ‘G’ Control Circuit/Open
DTC P2812 meaning on BMW
DTC P2812 indicates a fault with the Pressure Control Solenoid ‘G’ control circuit in a BMW vehicle. This fault occurs when the Engine Control Module (ECM) detects an open circuit or a lack of communication from the solenoid.
BMW DTC P2812 symptoms
Symptoms of DTC P2812 in a BMW may include harsh shifting, delayed gear engagement, transmission slipping, and in some cases, the transmission may go into a limp mode. The Check Engine Light may also be illuminated on the dashboard.
BMW DTC P2812 causes
The common causes of DTC P2812 in a BMW include a faulty Pressure Control Solenoid ‘G’, damaged wiring or connectors in the solenoid circuit, or a malfunctioning ECM.
BMW DTC P2812 seriousness
DTC P2812 should be addressed promptly as it can lead to drivability issues and potential damage to the transmission system if left unresolved. It is recommended to diagnose and repair the issue as soon as possible.
How to diagnose DTC P2812 on BMW
To diagnose DTC P2812 on a BMW, a mechanic would typically start by using a diagnostic scan tool to retrieve the fault codes stored in the ECM. They would then inspect the wiring and connectors related to the Pressure Control Solenoid ‘G’ for any visible damage or corrosion. Testing the solenoid itself for proper operation may also be necessary.
How to fix DTC P2812 on BMW
Fixing DTC P2812 on a BMW may involve replacing the faulty Pressure Control Solenoid ‘G’, repairing any damaged wiring or connectors in the circuit, or reprogramming the ECM if necessary. It is important to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix.
How to erase DTC P2812 on BMW
Once the underlying issue causing DTC P2812 has been resolved, the fault code can be cleared using a diagnostic scan tool. By accessing the ECM and selecting the option to clear fault codes, the DTC P2812 should be erased from the system. It is important to verify that the repair was successful by driving the vehicle and rescanning for any remaining 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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