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2017 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs421Labor499Torque4352Fluid8DTC1251Battery1Maintenance0Recalls6
P1520high severityPowertrain

Transmission Range Switch Circuit

on 2017 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

What this code means

The transmission range switch circuit signal is invalid. Related to generic range sensor codes like P0705.

Symptoms

  • No-start in park or neutral
  • Wrong gear indication
  • Erratic shifting

Common causes

  • Faulty range switch
  • Misadjusted switch
  • Damaged wiring
  • Poor connector contact

Diagnostic steps

  1. Scan for stored codes
  2. Check range switch signal in each gear
  3. Verify switch adjustment
  4. Inspect wiring and connectors
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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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