EV Diagnostics
Source-backed diagnostic reference

P1813 EV diagnostic code

Torque Control

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: Torque Control Source
  • CADILLAC: Torque Control Source
  • CHEVY: Torque Control Source
  • GM: Torque Control Source
  • GMC: Torque Control Source
  • OLDSMOBILE: Torque Control Source
  • OTHER: Transmission 4-Wheel Drive Mode Select Open Circuit Source
  • SATURN: Torque Control Source
  • VOLKSWAGEN: Pressure Control Solenoid 1 Electrical Source

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