Back to 2016 Cadillac ATS

2016 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC960Battery0Maintenance0Recalls2
P0045moderate severityPowertrain

Turbo/Supercharger Boost Control Solenoid Circuit/Open

on 2016 Cadillac ATS 2.5L I4 · RWD

What this code means

The PCM detected an open circuit in the turbocharger or supercharger boost control solenoid.

Symptoms

  • Check Engine Light
  • Loss of boost pressure
  • Reduced power
  • Limp mode

Common causes

  • Faulty boost control solenoid
  • Wiring damage
  • PCM failure
  • Corroded connector

Diagnostic steps

  1. Test solenoid resistance
  2. Inspect wiring
  3. Check vacuum lines
  4. Command solenoid with scan tool

Repair notes

Replace boost control solenoid or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →