BMW DTC P0594 – Cruise Control Servo Control Circuit/Open
DTC P0594 meaning on BMW
DTC P0594 on a BMW indicates a fault in the cruise control servo control circuit, specifically an open circuit. This means that there is a break or discontinuity in the electrical connection that controls the cruise control system.
BMW DTC P0594 symptoms
Symptoms of DTC P0594 on a BMW may include:
- Malfunctioning cruise control system
- Cruise control not engaging or maintaining speed
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0594 causes
Common causes of DTC P0594 on a BMW include:
- Broken or damaged wiring in the cruise control circuit
- Faulty cruise control servo
- Corrosion or poor connections in the cruise control system
BMW DTC P0594 seriousness
While DTC P0594 may not directly affect the drivability of the vehicle, it can impact the functionality of the cruise control system. It is recommended to address this issue to ensure proper operation of the cruise control feature.
How to diagnose DTC P0594 on BMW
To diagnose DTC P0594 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the cruise control wiring for any visible damage or breaks
- Check the cruise control servo for proper operation
- Test the cruise control system for functionality
How to fix DTC P0594 on BMW
To fix DTC P0594 on a BMW, you can try the following:
- Repair or replace any damaged wiring in the cruise control circuit
- Replace the cruise control servo if it is faulty
- Clean and secure any corroded connections in the cruise control system
How to erase DTC P0594 on BMW
To erase DTC P0594 on a BMW, you can clear the fault code using a diagnostic scanner. After addressing the underlying issue and fixing the cruise control circuit, you can reset the fault code to ensure the system is functioning properly.
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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