P05BE
Stop Start Mode Switch Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring harness and connectors for any loose or damaged connections.
- Inspect the stop start mode switch for any signs of malfunction or damage.
- Test the voltage at the stop start mode switch to ensure it is within the specified range.
- Replace the stop start mode switch if it is found to be faulty.
Common causes
Most likely first
- Faulty stop start mode switch
- Low battery voltage
- Malfunctioning electronic control module (ECM)
- Wiring or connection issue in the stop start mode circuit
- Faulty ignition switch
How to diagnose & fix
Work through it in order
- Engine may not start or may have difficulty starting
- Engine may stall or shut off unexpectedly while driving
- Issues with the vehicle's ignition system such as misfires
- Decreased fuel efficiency or poor fuel economy
- Malfunctioning or inconsistent performance of the stop
- start system
Read & clear P05BE yourself
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