P1503 — Buick: Theft Deterrent System Password Incorrect

Code breakdown

Manufacturer-specific meanings (Buick)

• Fiat
  Sensore velocità ausiliaria
• BuickCadillacChevroletChryslerGMGMCOldsmobileSaturn
  Theft Deterrent System Password Incorrect
• BMW
  Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low
• Volkswagen
  Load Signal From Generator Range Performance

Related codes

• P1500 — Manufacturer-specific fault code
• P1500-bmw — Idle Speed Control Valve Stuck Open
• P1500-buick — Starter Signal Circuit
• P1500-cadillac — Starter Signal Circuit
• P1500-chevrolet — Starter Signal Circuit
• P1500-chrysler — Starter Signal Circuit

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