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2007 CADILLAC XLR-V
4.4L Supercharged V8•RWD•AUTOMATIC•gas•supercharged
1 active safety recall on this vehicle — view recalls
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Repairs0Labor477Torque660Fluid7DTC1932Battery1Maintenance0Recalls1
P1405moderate severityPowertrain

EGR Position Sensor Circuit

on 2007 Cadillac XLR-V 4.4L Supercharged V8 · RWD

What this code means

The PCM detects a fault in the EGR position sensor circuit. This affects feedback on valve position for accurate EGR control.

Symptoms

  • Check engine light on
  • Rough idle
  • Hesitation on acceleration

Common causes

  • Faulty EGR position sensor
  • Damaged sensor wiring
  • Corroded connector
  • Failed PCM input

Diagnostic steps

  1. Scan for EGR codes
  2. Monitor EGR position signal
  3. Inspect sensor connector and wiring
  4. Test sensor voltage against spec
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