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2022 CADILLAC XT6
3.6L V6•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor473Torque3265Fluid7DTC2012Battery1Maintenance0Recalls3
P0709moderate severityPowertrain

Transmission Range Sensor Circuit Intermittent

on 2022 Cadillac XT6 3.6L V6 · FWD

What this code means

The transmission range sensor signal is dropping out or reading erratically at times. The computer cannot reliably tell what gear the selector is in.

Symptoms

  • Intermittent wrong gear display
  • Occasional no-start
  • Random harsh shifts

Common causes

  • Loose or corroded connector
  • Intermittent wiring fault
  • Failing range sensor
  • Faulty TCM

Diagnostic steps

  1. Scan for codes and check freeze frame
  2. Wiggle-test wiring and connector while monitoring signal
  3. Inspect for corrosion or chafing
  4. Replace sensor if fault reproduces
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