BMW DTC P0589 – Cruise Control Multi-Function Input ‘B’ Circuit
DTC P0589 meaning on BMW
DTC P0589 refers to the Cruise Control Multi-Function Input ‘B’ Circuit in BMW vehicles. This diagnostic trouble code indicates that there is a malfunction in the circuit responsible for the cruise control multi-function input ‘B’.
BMW DTC P0589 symptoms
Symptoms of DTC P0589 in a BMW may include:
- Malfunctioning cruise control system
- Cruise control not engaging or disengaging properly
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0589 causes
The common causes of DTC P0589 in BMW vehicles include:
- Defective cruise control multi-function switch
- Wiring issues in the cruise control system
- Faulty cruise control module
BMW DTC P0589 seriousness
While DTC P0589 may not cause immediate safety concerns, it can affect the functionality of the cruise control system in the vehicle. It is recommended to address this issue to ensure proper operation of the cruise control feature.
How to diagnose DTC P0589 on BMW
To diagnose DTC P0589 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
- Inspect the cruise control multi-function switch for any visible damage or signs of wear
- Check the wiring harness and connectors for any loose connections or corrosion
- Test the cruise control module for proper functionality
How to fix DTC P0589 on BMW
To fix DTC P0589 on a BMW, the following steps may be taken:
- Replace the defective cruise control multi-function switch
- Repair any damaged wiring in the cruise control system
- If the cruise control module is faulty, replace it with a new one
How to erase DTC P0589 on BMW
To erase DTC P0589 on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue causing the fault code, the diagnostic scanner can be used to clear the code from the vehicle’s computer memory.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.