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B1027low severityBody

Right Discharge Air Temperature Sensor Circuit Low

on 2006 GMC Canyon 3.5L I5 · 4WD

What this code means

The HVAC module detects low voltage on the right discharge air temp sensor circuit, indicating a short to ground or open. No direct OBD P-code equivalent.

Symptoms

  • Right vents wrong temperature
  • Uneven cabin climate
  • HVAC display errors

Common causes

  • Faulty right discharge temp sensor
  • Short to ground in wiring
  • Damaged connector
  • HVAC module fault

Diagnostic steps

  1. Inspect right sensor connector
  2. Measure sensor resistance
  3. Check wiring for short to ground
  4. Verify module signal voltage

Other Body codes on this vehicle

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