EV Diagnostics
Source-backed diagnostic reference

P1886 EV diagnostic code

Shift Timing Solenoid

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: Shift Timing Solenoid Source
  • CADILLAC: Shift Timing Solenoid Source
  • CHEVY: Shift Timing Solenoid Source
  • GM: Shift Timing Solenoid Source
  • GMC: Shift Timing Solenoid Source
  • OLDSMOBILE: Shift Timing Solenoid Source
  • OTHER: 4X4 Initialization Failure Source
  • SATURN: Shift Timing Solenoid Source

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