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P2617

Crankshaft Position Signal Output Circuit / Open

The buffered crankshaft position output that the engine controller sends to ignition modules and the transmission cannot drive its line. Open detected on the output side.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: medium

Common causes

Ordered by how often each turns out to be the cause.

  • Open wire between ECU and downstream moduleCommon
  • Output buffer internally openPossible

Parts involved

  • Control Module
  • Signal Output Buffer
  • Wiring Harness

P2617 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.