Error code

OBD2 P0728

OBD2P0728
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Engine Speed Input Circuit Intermittent.

Severity

moderateCan drive, but may experience issues like stalling or rough idling.

Summary

P0728 indicates an intermittent issue with the engine RPM input circuit, which is related to the crankshaft or camshaft position sensor signal.

Common Causes

  • Poor wiring connection
  • Faulty CKP/RPM sensor
  • ECM/PCM failure

Fixes

FAQ

What does P0728 mean?

P0728 means there's an issue with the engine RPM input circuit, likely due to a problem with wiring or sensors.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.