EV Diagnostics
Source-backed diagnostic reference

P1597 EV diagnostic code

Speed Control Switch Always Low

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

  • DODGE: Speed Control Switch Always Low Source
  • JEEP: Speed Control Switch Always Low Source
  • PLYMOUTH: Speed Control Switch Always Low Source
  • PONTIAC: Speed Control Switch Always Low Source

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