P1864 — Buick: Torque Converter Clutch Circuit

Code breakdown

Manufacturer-specific meanings (Buick)

• BuickCadillacChevroletGMGMCOldsmobileSaturn
  Torque Converter Clutch Circuit
• Volkswagen
  Data Bus Powertrain Missing Message From ADR Control Module

Related codes

• P1800 — Manufacturer-specific fault code
• P1800-buick — TCM Power Control Relay Circuit Open
• P1800-cadillac — TCM Power Control Relay Circuit Open
• P1800-chevrolet — TCM Power Control Relay Circuit Open
• P1800-gm — TCM Power Control Relay Circuit Open
• P1800-gmc — TCM Power Control Relay Circuit Open

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