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2017 CADILLAC XTS

3.6L V6FWDAUTOMATICgas
Repairs0Labor479Torque3822Fluid6DTC969Battery0Maintenance0Recalls0
P0453low severityPowertrain

EVAP Pressure Sensor/Switch High Input

on 2017 Cadillac XTS 3.6L V6 · FWD

What this code means

High voltage from the fuel tank pressure sensor.

Symptoms

  • Check Engine Light

Common causes

  • Open circuit
  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test sensor voltage
  2. Check for opens
  3. Inspect wiring

Repair notes

Replace fuel tank pressure sensor.

Other Powertrain codes on this vehicle

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