EV Diagnostics
Source-backed diagnostic reference

P1589 EV diagnostic code

Control Module Self Test Knock Control Test Pulse Bank 1

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: Control Module Self Test Knock Control Test Pulse Bank 1 Source
  • FORD: Throttle Control Unit Unable To Control Desired Throttle Angle Source
  • LINCOLN: Throttle Control Unit Unable To Control Desired Throttle Angle Source
  • MERCURY: Throttle Control Unit Unable To Control Desired Throttle Angle Source
  • OTHER: TCU Unable To Control Desired Throttle Angle Source

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