What does code P1499 mean on Mazda vehicles?
The ECU detects an open or short circuit in EGR valve motor coil 4, preventing proper EGR operation.
OBD-II Code Mazda
P1499 — Mazda — EGR Valve Motor Coil 4 Open or Shorted
The ECU detects an open or short circuit in EGR valve motor coil 4, preventing proper EGR operation.
Common symptoms
- EGR system inoperative
Possible causes
- EGR valve motor failure
Initial recommendation
Replace EGR valve assembly and verify correct operation.
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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