OBD2 code P0009: Engine Position System Performance Bank 2

OBD2 code P0009: Engine Position System Performance Bank 2. The engine control module learns how far each camshaft of bank 2 is offset from the crankshaft and compares this with a reference.

Code P0009 may cause: Check engine light on, Timing chain rattle, especially at cold start, Loss of power or rough running, Often stored together with P0016 to P0019. The intensity of these symptoms varies depending on the vehicle and driving conditions.

The most common causes of code P0009 are: Primary or timing chain stretched, Chain tensioner worn or loose, Timing drive fitted incorrectly after an engine repair, Crankshaft reluctor wheel slipped. A proper OBD2 diagnostic will pinpoint the exact cause.

Code P0009 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Primary or timing chain stretched, Chain tensioner worn or loose, Timing drive fitted incorrectly after an engine repair, Crankshaft reluctor wheel slipped. Difficulty: Medium · Estimated time: 30-60min.