Back to 2009 Acura MDX

2009 ACURA MDX

3.7L V6AWDAUTOMATICgas
Repairs0Labor591Torque4982Fluid9DTC878Battery0Maintenance0Recalls0
P0124high severityPowertrain

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

on 2009 Acura MDX 3.7L V6 · AWD

What this code means

The TPS signal is intermittent.

Symptoms

  • Check Engine Light (intermittent)
  • Surging
  • Hesitation
  • Erratic idle

Common causes

  • Loose TPS connector
  • Worn TPS
  • Wiring chafing

Diagnostic steps

  1. Wiggle test on TPS connector
  2. Monitor TPS signal for dropouts
  3. Inspect wiring

Repair notes

Repair connector or replace TPS.

Other Powertrain codes on this vehicle

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