EV Diagnostics
Source-backed diagnostic reference

P1490 EV diagnostic code

Low Speed Fan CTRL Relay Circuit Open Or Shorted

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: Low Speed Fan CTRL Relay Circuit Open Or Shorted Source
  • JEEP: Low Speed Fan CTRL Relay Circuit Open Or Shorted Source
  • MITSUBISHI: Low Speed Fan Control Relay Fault Source
  • NISSAN: Vacuum Cut Valve Bypass Valve Circuit Source
  • OTHER: Secondary Air Relief Solenoid Circuit Malfunction Source
  • PLYMOUTH: Low Speed Fan CTRL Relay Circuit Open Or Shorted Source
  • PONTIAC: Low Speed Fan CTRL Relay Circuit Open Or Shorted Source

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