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P1120moderate severityPowertrain

Secondary Throttle Position Sensor Circuit

on 2021 Nissan Versa 1.6L I4 HR16DE · FWD

What this code means

Fault in the secondary TPS circuit for additional airflow control.

Symptoms

  • CEL
  • Reduced power
  • Erratic throttle
  • Limp mode

Common causes

  • Faulty secondary TPS
  • Damaged wiring
  • Contaminated throttle body

Diagnostic steps

  1. Test sensor voltage
  2. Inspect wiring
  3. Clean throttle body
  4. Compare to specs

Repair notes

Replace secondary TPS.

Other Powertrain codes on this vehicle

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