What does code P1403 mean on Dodge vehicles?
The PCM does not detect a 5-volt reference supply to the EGR sensor.
OBD-II Code Dodge
P1403 — Dodge — No 5 Volts To EGR Sensor
The PCM does not detect a 5-volt reference supply to the EGR sensor.
Common symptoms
- Check engine light
- inoperative EGR system
Possible causes
- Open circuit
- PCM fault
- damaged wiring
Initial recommendation
Check 5V reference line and EGR sensor.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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