Back to 2015 Cadillac ATS

2015 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC959Battery0Maintenance0Recalls3
P3011moderate severityPowertrain

Camshaft Profile Actuator A Control Circuit Bank 1

on 2015 Cadillac ATS 2.5L I4 · RWD

What this code means

The electrical circuit for the camshaft profile actuator A on Bank 1 is malfunctioning. The PCM cannot properly command the cam profile switch.

Symptoms

  • Check Engine Light
  • No cam profile switching
  • Reduced high-RPM performance
  • Engine feels flat above mid-RPM
  • Poor fuel economy at highway speeds

Common causes

  • Open or short in actuator circuit
  • Faulty actuator solenoid coil
  • Corroded connector pins
  • PCM driver failure
  • Damaged wiring near exhaust

Diagnostic steps

  1. Measure voltage at actuator connector
  2. Test actuator solenoid resistance
  3. Inspect wiring for damage near exhaust manifold
  4. Check PCM output with oscilloscope
  5. Verify connector pin condition

Repair notes

Repair wiring or replace cam profile actuator solenoid.

Other Powertrain codes on this vehicle

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