Back to 2012 Cadillac CTS

2012 CADILLAC CTS

3.0L V6AWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor1128Torque7079Fluid16DTC1904Battery0Maintenance0Recalls2
P2006moderate severityPowertrain

Intake Manifold Runner Control Stuck Closed Bank 1

on 2012 Cadillac CTS 3.0L V6 · AWD

What this code means

The intake manifold runner flaps are stuck closed on bank 1, restricting airflow at higher RPM.

Symptoms

  • Reduced high-RPM power
  • Check engine light
  • Hesitation on acceleration

Common causes

  • Broken runner flap
  • Actuator jammed
  • Carbon deposits
  • Linkage failure

Diagnostic steps

  1. Inspect runner mechanism
  2. Test actuator movement
  3. Check for physical obstruction

Repair notes

Clean or replace runner control mechanism.

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 →