P1403 – Jeep DTC

Jeep DTC P1403 – No 5 Volts To EGR Sensor

DTC P1403 meaning on Jeep

DTC P1403 for Jeep indicates that there is no 5 volts supplied to the Exhaust Gas Recirculation (EGR) sensor circuit.

Jeep DTC P1403 symptoms

Symptoms of DTC P1403 on a Jeep may include:

• Check Engine Light illuminated
• Engine may run rough or stall
• Reduced fuel efficiency

Jeep DTC P1403 causes

Common causes of DTC P1403 on a Jeep include:

• Defective EGR sensor
• Wiring or connector issues in the EGR sensor circuit
• Faulty PCM (Powertrain Control Module)

Jeep DTC P1403 seriousness

While DTC P1403 may not cause immediate drivability issues, it can lead to poor engine performance and increased emissions if left unresolved.

How to diagnose DTC P1403 on Jeep

To diagnose DTC P1403 on a Jeep, you can:

1. Use a scan tool to retrieve the fault code and freeze frame data
2. Inspect the EGR sensor and its wiring for any visible damage
3. Test the voltage supply to the EGR sensor using a multimeter

How to fix DTC P1403 on Jeep

To fix DTC P1403 on a Jeep, you may need to:

1. Replace the faulty EGR sensor
2. Repair any damaged wiring or connectors in the EGR sensor circuit
3. If necessary, replace the PCM

How to erase DTC P1403 on Jeep

To erase DTC P1403 on a Jeep, you can:

1. Use a scan tool to clear the fault code
2. After making repairs, ensure the issue is resolved before clearing the code