Chrysler DTC P1403 – No 5 Volts To EGR Sensor
DTC P1403 meaning on Chrysler
DTC P1403 on a Chrysler indicates that there is no 5 volts supplied to the Exhaust Gas Recirculation (EGR) sensor circuit.
Chrysler DTC P1403 symptoms
Symptoms of DTC P1403 on a Chrysler may include:
- Check Engine Light illuminated
- Engine may run rough or stall
- Reduced fuel efficiency
Chrysler DTC P1403 causes
Common causes of DTC P1403 on a Chrysler include:
- Failed EGR sensor
- Wiring or connector issues in the EGR sensor circuit
- Faulty PCM (Powertrain Control Module)
Chrysler DTC P1403 seriousness
DTC P1403 should be addressed promptly as it can lead to poor engine performance and increased emissions. Ignoring this code may result in further damage to the vehicle’s components.
How to diagnose DTC P1403 on Chrysler
To diagnose DTC P1403 on a Chrysler, follow these steps:
- Use a scan tool to retrieve the fault codes 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 to ensure there are no open circuits.
How to fix DTC P1403 on Chrysler
To fix DTC P1403 on a Chrysler, consider the following steps:
- Replace the faulty EGR sensor if it is determined to be the cause.
- Repair or replace any damaged wiring or connectors in the EGR sensor circuit.
- If the PCM is faulty, it may need to be reprogrammed or replaced by a qualified technician.
How to erase DTC P1403 on Chrysler
To erase DTC P1403 on a Chrysler, use a scan tool to clear the fault codes stored in the PCM. After the codes are cleared, perform a test drive to ensure the issue has been resolved.
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