Mazda DTC P1703 – Brake On/Off Switch Out of Self Test Range
DTC P1703 meaning on Mazda
Diagnostic Trouble Code (DTC) P1703 for Mazda indicates that the Brake On/Off Switch is out of the self-test range. This means that the brake switch is not functioning within the expected parameters during the self-test conducted by the vehicle’s onboard diagnostic system.
Mazda DTC P1703 symptoms
Symptoms associated with DTC P1703 on a Mazda may include:
- Malfunction indicator light (MIL) or check engine light illuminated on the dashboard
- Issues with the brake lights not functioning properly
- Problems with the vehicle’s cruise control system
Mazda DTC P1703 causes
Common causes of DTC P1703 on a Mazda include:
- Defective brake On/Off switch
- Wiring issues or electrical connections related to the brake switch
- Faulty brake light bulbs
Mazda DTC P1703 seriousness
While DTC P1703 may not directly affect the drivability of the vehicle, it is important to address this issue promptly to ensure the proper functioning of the brake lights and other related systems. Ignoring this code could lead to safety concerns and potential issues with the vehicle’s overall performance.
How to diagnose DTC P1703 on Mazda
To diagnose DTC P1703 on a Mazda, you can follow these steps:
- Use an OBD-II scanner to retrieve the specific fault code
- Inspect the brake On/Off switch for any visible damage or signs of malfunction
- Check the wiring and electrical connections related to the brake switch
- Test the brake light bulbs to ensure they are functioning correctly
How to fix DTC P1703 on Mazda
To fix DTC P1703 on a Mazda, you can try the following solutions:
- Replace the faulty brake On/Off switch with a new one
- Repair any damaged wiring or electrical connections associated with the brake switch
- Replace any defective brake light bulbs
How to erase DTC P1703 on Mazda
To erase DTC P1703 on a Mazda, you can clear the fault code using an OBD-II scanner or by disconnecting the vehicle’s battery for a few minutes. After addressing the underlying issue causing the fault code, clearing the code will reset the system and turn off the MIL or check engine light.
Recommended tools for Mazda diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
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.