What does code P1438 mean on BMW vehicles?
The ECU detects an open circuit in the control circuit of the EVAP purge control valve.
OBD-II Code BMW
P1438 — BMW — Purge Control Valve Control Open Circuit
The ECU detects an open circuit in the control circuit of the EVAP purge control valve.
Common symptoms
- Check engine light
- fuel odor
Possible causes
- Open circuit
- faulty purge solenoid
- damaged wiring
Initial recommendation
Inspect EVAP purge valve, wiring, and connector integrity.
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.
Analyze this code with MecaOBD
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