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2014 CADILLAC ATS

2.0L Turbo I4•RWD•AUTOMATIC•gas•turbo
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor566Torque4710Fluid7DTC955Battery0Maintenance0Recalls4
P1335high severityPowertrain

Crankshaft Position Sensor Circuit

on 2014 Cadillac ATS 2.0L Turbo I4 · RWD

What this code means

The PCM detected a malfunction in the crankshaft position sensor circuit. The CKP sensor provides engine speed and position information critical for ignition timing and fuel injection.

Symptoms

  • Check Engine Light
  • Engine stalling
  • No start condition
  • Intermittent misfires
  • Rough idle

Common causes

  • Faulty crankshaft position sensor
  • Damaged reluctor wheel or tone ring
  • Wiring damage to CKP sensor
  • Excessive sensor-to-reluctor gap
  • Corroded CKP connector

Diagnostic steps

  1. Test CKP sensor resistance
  2. Scope CKP sensor signal
  3. Inspect reluctor wheel for damage
  4. Check sensor air gap
  5. Inspect wiring and connector

Repair notes

Replace crankshaft position sensor. Inspect reluctor wheel for missing teeth or damage.

Other Powertrain codes on this vehicle

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