EV Diagnostics
Source-backed diagnostic reference

P1628 EV diagnostic code

ECT Pull-Up Resistor

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: ECT Pull-Up Resistor Source
  • CADILLAC: ECT Pull-Up Resistor Source
  • CHEVY: ECT Pull-Up Resistor Source
  • GM: ECT Pull-Up Resistor Source
  • GMC: ECT Pull-Up Resistor Source
  • MAZDA: Powertrain Control Module ECM TCS Any Line Communication Error Source
  • OLDSMOBILE: ECT Pull-Up Resistor Source
  • OTHER: Module Ignition Supply Input Malfunction Source
  • SATURN: ECT Pull-Up Resistor Source
  • VOLKSWAGEN: Data Bus Powertrain Missing Message From Distance Control Source

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