BMW DTC P1835 – Pressure Control Solenoid ‘E’ Circuit High
DTC P1835 meaning on BMW
DTC P1835 indicates a fault with the Pressure Control Solenoid ‘E’ circuit in a BMW vehicle. This fault occurs when the Engine Control Module (ECM) detects a high voltage condition in the circuit, which can lead to improper operation of the pressure control solenoid.
BMW DTC P1835 symptoms
Symptoms of DTC P1835 in a BMW may include harsh shifting, delayed shifting, transmission slipping, decreased fuel efficiency, and in some cases, the transmission may go into a limp mode where it operates in a single gear.
BMW DTC P1835 causes
The common causes of DTC P1835 in a BMW include a faulty pressure control solenoid ‘E’, damaged wiring or connectors in the circuit, low transmission fluid level, or a malfunctioning ECM.
BMW DTC P1835 seriousness
DTC P1835 should be addressed promptly as it can lead to further damage to the transmission if left unresolved. Driving with this fault may result in poor performance and potential safety hazards.
How to diagnose DTC P1835 on BMW
To diagnose DTC P1835 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes from the ECM. They would then inspect the pressure control solenoid ‘E’ circuit for any visible damage, test the solenoid for proper operation, and check the transmission fluid level and condition.
How to fix DTC P1835 on BMW
Fixing DTC P1835 on a BMW may involve replacing the pressure control solenoid ‘E’, repairing any damaged wiring or connectors in the circuit, ensuring the transmission fluid level is correct, and resetting the ECM. It is recommended to follow the manufacturer’s repair procedures and use genuine parts for a lasting solution.
How to erase DTC P1835 on BMW
After fixing the underlying issue causing DTC P1835 on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the ECM’s memory and turn off the check engine light. 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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