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2014 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs421Labor499Torque4352Fluid8DTC1237Battery1Maintenance0Recalls6
P1780moderate severityPowertrain

Park/Neutral Position Switch Circuit

on 2014 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

What this code means

The PCM detected an abnormal signal from the park/neutral position switch. This can affect starting and shift indication.

Symptoms

  • No-start in park or neutral
  • Wrong gear display
  • Starter engages in gear

Common causes

  • Faulty park/neutral position switch
  • Misadjusted switch or linkage
  • Wiring open or short
  • Bad connector

Diagnostic steps

  1. Verify gear indicator matches actual gear
  2. Test switch continuity in each position
  3. Inspect switch adjustment and wiring
  4. Replace switch or repair circuit
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