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.
Affected components
- Control module
- Signal output buffer
- Wiring harness
Common causes
- High likelihood: Open wire between ECU and downstream module
- Medium likelihood: Output buffer internally open
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.