Mazda DTC P1235 – Fuel Pump Control Circuit
DTC P1235 meaning on Mazda
DTC P1235 for Mazda indicates a potential issue with the fuel pump control circuit. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects a problem with the fuel pump relay circuit.
Mazda DTC P1235 symptoms
Symptoms associated with DTC P1235 on a Mazda may include:
- Engine stalling or hesitation
- Difficulty starting the engine
- Loss of power while driving
- Check Engine Light illuminated on the dashboard
Mazda DTC P1235 causes
Common causes of DTC P1235 on a Mazda include:
- Defective fuel pump relay
- Wiring issues in the fuel pump control circuit
- Faulty fuel pump
- ECM malfunction
Mazda DTC P1235 seriousness
DTC P1235 should be addressed promptly as it can lead to drivability issues and potential engine damage if the fuel pump control circuit problem is not resolved. Ignoring this code may result in the vehicle becoming inoperable.
How to diagnose DTC P1235 on Mazda
To diagnose DTC P1235 on a Mazda, a mechanic may perform the following steps:
- Use a scan tool to retrieve the trouble codes stored in the ECM
- Inspect the fuel pump relay for proper operation
- Check the wiring and connectors in the fuel pump control circuit for any damage or corrosion
- Test the fuel pump to ensure it is functioning correctly
How to fix DTC P1235 on Mazda
To fix DTC P1235 on a Mazda, the following steps may be taken:
- Replace the faulty fuel pump relay if necessary
- Repair any damaged wiring or connectors in the fuel pump control circuit
- If the fuel pump is defective, replace it with a new one
- If the ECM is determined to be the issue, it may need to be reprogrammed or replaced
How to erase DTC P1235 on Mazda
To erase DTC P1235 on a Mazda, the code can be cleared using a scan tool that has the capability to reset trouble codes. Once the underlying issue has been addressed and fixed, the code can be cleared to turn off the Check Engine Light.
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