P06DB fault code: what it means

P06DB: Variable oil pump (engine oil solenoid valve) circuit low. Oil pressure control goes to default; i-stop is inhibited.

Engine and gearbox (powertrain) · Minor

Usual causes, most likely first

1. engine oil solenoid valve or connector
2. open or shorted supply wiring (ENGINE fuse)
3. PCM

P06DB by make

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Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.