EV Diagnostics
Source-backed diagnostic reference

P1623 EV diagnostic code

Pedal Position Sensor Potentiometer Supply

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: Pedal Position Sensor Potentiometer Supply Source
  • BUICK: Transmission Temp Pull-Up Resistor Source
  • CADILLAC: Transmission Temp Pull-Up Resistor Source
  • CHEVY: Transmission Temp Pull-Up Resistor Source
  • GM: Transmission Temp Pull-Up Resistor Source
  • GMC: Transmission Temp Pull-Up Resistor Source
  • MAZDA: Immobilizer System Fault Source
  • OLDSMOBILE: Transmission Temp Pull-Up Resistor Source
  • OTHER: Immobilizer Code Word/ID Number Write Failure Source
  • SATURN: Transmission Temp Pull-Up Resistor Source
  • VOLKSWAGEN: Data Bus Powertrain No Communication Source

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