Back to 2005 Cadillac CTS

2005 CADILLAC CTS

2.8L V6RWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor497Torque2469Fluid7DTC855Battery0Maintenance0Recalls6
P0124high severityPowertrain

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

on 2005 Cadillac CTS 2.8L V6 · RWD

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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