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2003 INFINITI FX45
4.5L V8•AWD•AUTOMATIC•gas
9 active safety recalls on this vehicle — view recalls
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Repairs0Labor478Torque677Fluid7DTC1781Battery1Maintenance0Recalls9
C1116moderate severityChassis

Stop Lamp Switch Circuit Malfunction

on 2003 Infiniti FX45 4.5L V8 · AWD

What this code means

The ABS module detects a fault in the stop lamp switch circuit. This can disable functions that rely on brake pedal input.

Symptoms

  • ABS/VDC warning light on
  • Brake lights may not work
  • Cruise control disabled

Common causes

  • Faulty stop lamp switch
  • Blown stop lamp fuse
  • Damaged switch wiring
  • Poor connector contact

Diagnostic steps

  1. Check brake light operation
  2. Test stop lamp switch continuity
  3. Inspect fuse and wiring
  4. Replace stop lamp switch if faulty
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