Mazda DTC P1236 – Fuel Pump Control Out Range
DTC P1236 meaning on Mazda
DTC P1236 on a Mazda indicates a Fuel Pump Control Out of Range error. This means that the fuel pump control module has detected a signal that is outside of the expected range.
Mazda DTC P1236 symptoms
Symptoms of DTC P1236 on a Mazda may include:
- Engine stalling or hesitation
- Difficulty starting the engine
- Loss of power while driving
- Check Engine Light illuminated
Mazda DTC P1236 causes
Common causes of DTC P1236 on a Mazda include:
- Faulty fuel pump
- Issues with the fuel pump control module
- Wiring or connection problems
- Low fuel pressure
Mazda DTC P1236 seriousness
DTC P1236 should be addressed promptly as it can lead to drivability issues and potential engine damage if the fuel pump is not functioning correctly.
How to diagnose DTC P1236 on Mazda
To diagnose DTC P1236 on a Mazda, a mechanic may perform the following steps:
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the fuel pump and related components for any visible damage or leaks
- Check the fuel pressure to ensure it is within specifications
- Test the fuel pump control module for proper operation
- Inspect the wiring and connections for any signs of damage or corrosion
How to fix DTC P1236 on Mazda
To fix DTC P1236 on a Mazda, the following steps may be taken:
- Replace the faulty fuel pump if necessary
- Repair or replace any damaged wiring or connections
- Address any issues with the fuel pump control module
- Ensure the fuel pressure is at the correct level
- Clear the DTC and test drive the vehicle to verify the repair
How to erase DTC P1236 on Mazda
To erase DTC P1236 on a Mazda, a scan tool can be used to clear the code from the vehicle’s computer. Once the repair has been made and the issue resolved, clearing the DTC will reset the 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.