Dodge DTC P1403 – No 5 Volts To EGR Sensor
DTC P1403 meaning on Dodge
DTC P1403 on a Dodge indicates that there is no 5 volts reference signal being received by the EGR (Exhaust Gas Recirculation) sensor. The EGR sensor is a crucial component that monitors the exhaust gas recirculation system’s operation.
Dodge DTC P1403 symptoms
Symptoms of DTC P1403 on a Dodge may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Engine may run rough or stall
- Reduced fuel efficiency
Dodge DTC P1403 causes
Common causes of DTC P1403 on a Dodge include:
- Failed EGR sensor
- Wiring or connector issues in the EGR sensor circuit
- Faulty PCM (Powertrain Control Module)
Dodge DTC P1403 seriousness
DTC P1403 should not be ignored as it can lead to poor engine performance and increased emissions. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1403 on Dodge
To diagnose DTC P1403 on a Dodge, follow these steps:
- Use a scan tool to retrieve the fault code and freeze frame data
- Inspect the EGR sensor and its wiring for any visible damage or corrosion
- Check the voltage supply to the EGR sensor using a multimeter
- Perform a continuity test on the wiring harness
How to fix DTC P1403 on Dodge
To fix DTC P1403 on a Dodge, consider the following:
- Replace the EGR sensor if faulty
- Repair or replace any damaged wiring or connectors in the EGR sensor circuit
- If necessary, replace the PCM
How to erase DTC P1403 on Dodge
To erase DTC P1403 on a Dodge, you can:
- Use a scan tool to clear the fault code after the repair has been completed
- Alternatively, disconnect the battery for a few minutes to reset the PCM and clear the code
Recommended tools for Dodge diagnostics
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Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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