EV Diagnostics
Source-backed diagnostic reference

P1894 EV diagnostic code

Engine Torque Signal High Voltage

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: Engine Torque Signal High Voltage Source
  • CADILLAC: Engine Torque Signal High Voltage Source
  • CHEVY: Engine Torque Signal High Voltage Source
  • GM: Engine Torque Signal High Voltage Source
  • GMC: Engine Torque Signal High Voltage Source
  • OLDSMOBILE: Engine Torque Signal High Voltage Source
  • SATURN: Engine Torque Signal High Voltage Source

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