P1816 — GM: TFP Valve Position Switch Park Neutral With Drive Ratio

Code breakdown

Manufacturer-specific meanings (GM)

• Fiat
  Interruttore rilevamento scatola di rinvio posizione folle
• GMGMCOldsmobileSaturn
  TFP Valve Position Switch Park Neutral With Drive Ratio
• BuickCadillacChevrolet
  TFP Valve Position Switch Park/Neutral With Drive Ratio

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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