EV Diagnostics
Source-backed diagnostic reference

P1634 EV diagnostic code

Throttle Valve Adaptation Spring Test Failed

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

  • BMW: Throttle Valve Adaptation Spring Test Failed Source
  • BUICK: Ignition 1 Power Circuit Low Voltage Source
  • CADILLAC: Ignition 1 Power Circuit Low Voltage Source
  • CHEVY: Ignition 1 Power Circuit Low Voltage Source
  • FORD: Data Output Link Circuit Failure Source
  • GM: Ignition 1 Power Circuit Low Voltage Source
  • GMC: Ignition 1 Power Circuit Low Voltage Source
  • KIA: Alternator B Open 1.8L Source
  • LINCOLN: Data Output Link Circuit Failure Source
  • MAZDA: Generator Terminal B Circuit Open Source
  • MERCURY: Data Output Link Circuit Failure Source
  • OLDSMOBILE: Ignition 1 Power Circuit Low Voltage Source
  • OTHER: Data Output Link Circuit Failure Source
  • SATURN: Ignition 1 Power Circuit Low Voltage Source
  • VOLKSWAGEN: Accelerator Pedal Position Sensor 2 Signal Too High Source

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