EV Diagnostics
Source-backed diagnostic reference

P1418 EV diagnostic code

Secondary Air Injection System Relay A Control Circuit High

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: Secondary Air Injection System Relay A Control Circuit High Source
  • CADILLAC: Secondary Air Injection System Relay A Control Circuit High Source
  • CHEVY: Secondary Air Injection System Relay A Control Circuit High Source
  • CHRYSLER: Secondary Air Injection System Relay A Control Circuit High Source
  • GM: Secondary Air Injection System Relay A Control Circuit High Source
  • GMC: Secondary Air Injection System Relay A Control Circuit High Source
  • MAZDA: Split Air 1 Circuit Source
  • OLDSMOBILE: Secondary Air Injection System Relay A Control Circuit High Source
  • OTHER: Split Air #1 Circuit Malfunction Source
  • PLYMOUTH: Secondary Air Injection System Relay A Control Circuit High Source
  • PONTIAC: Secondary Air Injection System Relay A Control Circuit High Source
  • SATURN: Secondary Air Injection System Relay A Control Circuit High Source
  • VOLKSWAGEN: Fuel Level Sensor Signal Too High Source

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