Source-backed diagnostic reference

P1259 EV diagnostic code

VTEC System Malfunction Rear 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

  • ACURA: VTEC System Malfunction Rear Bank 1 Source
  • HONDA: VTEC System Malfunction Rear Bank 1 Source
  • INFINITI: VTEC System Malfunction Rear Bank 1 Source
  • OTHER: Immobilizer to PCM Signal Error Source
  • VOLKSWAGEN: Engine Coolant System Valve Short To Ground Source
  • GENERIC: Immobilizer to PCM Signal Error Source

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