EV Diagnostics
Source-backed diagnostic reference

P1890 EV diagnostic code

ECM Data Input Circuit

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BUICK: ECM Data Input Circuit Source
  • CADILLAC: ECM Data Input Circuit Source
  • CHEVY: ECM Data Input Circuit Source
  • GM: ECM Data Input Circuit Source
  • GMC: ECM Data Input Circuit Source
  • OLDSMOBILE: ECM Data Input Circuit Source
  • OTHER: Transmission 4WD Mode Select Return Input Circuit Failure Source
  • SATURN: ECM Data Input Circuit Source

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