BMW DTC P0035 – Turbocharger/Supercharger Bypass Valve ‘A’ Control Circuit High
DTC P0035 meaning on BMW
DTC P0035 indicates a potential issue with the Turbocharger/Supercharger Bypass Valve ‘A’ Control Circuit on a BMW vehicle. This fault code specifically points to a high voltage condition detected in the control circuit of the bypass valve.
BMW DTC P0035 symptoms
Symptoms of DTC P0035 on a BMW may include reduced engine performance, decreased fuel efficiency, rough idling, and potentially an illuminated Check Engine Light on the dashboard.
BMW DTC P0035 causes
The common causes of DTC P0035 on a BMW can include a faulty bypass valve, damaged wiring or connectors in the control circuit, a malfunctioning turbocharger or supercharger, or issues with the engine control module (ECM).
BMW DTC P0035 seriousness
While DTC P0035 may not always result in immediate drivability issues, it is important to address this fault code promptly to prevent potential long-term damage to the turbocharger or supercharger system. Ignoring this fault could lead to more severe engine problems.
How to diagnose DTC P0035 on BMW
To diagnose DTC P0035 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the turbocharger/supercharger bypass valve, wiring, connectors, and related components. Testing the voltage and continuity in the control circuit is crucial to pinpointing the exact cause of the issue.
How to fix DTC P0035 on BMW
Fixing DTC P0035 on a BMW may involve replacing the faulty turbocharger/supercharger bypass valve, repairing or replacing damaged wiring or connectors, addressing any issues with the turbocharger or supercharger, or reprogramming the engine control module if necessary. It is recommended to follow the manufacturer’s diagnostic and repair procedures for a proper fix.
How to erase DTC P0035 on BMW
Once the underlying issue causing DTC P0035 on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. By erasing the code, the Check Engine Light should turn off, indicating that the problem has been addressed successfully.
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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