EV Diagnostics
Source-backed diagnostic reference

P1654 EV diagnostic code

Service Throttle Soon Lamp Control Circuit

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: Service Throttle Soon Lamp Control Circuit Source
  • CADILLAC: Service Throttle Soon Lamp Control Circuit Source
  • CHEVY: Service Throttle Soon Lamp Control Circuit Source
  • GM: Service Throttle Soon Lamp Control Circuit Source
  • GMC: Service Throttle Soon Lamp Control Circuit Source
  • OLDSMOBILE: Service Throttle Soon Lamp Control Circuit Source
  • OTHER: Recirculation Override Circuit Malfunction Source
  • SATURN: Service Throttle Soon Lamp Control Circuit Source
  • VOLKSWAGEN: Check DTC Memory Of Control Panel ECU Source

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