OBD-II code · Powertrain (generic, extended)
P2444 Secondary Air Injection System Pump Stuck Off (Bank 1)
The secondary-air pump does not run when commanded during cold start. Often a seized pump (after exhaust back-feed corroded the impeller), a blown fuse, or a failed relay.
Is it safe to drive with P2444?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPump seized by corrosion
- PossiblePump relay failed
- PossiblePump fuse blown
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Secondary Air Pump, Secondary Air Pump Relay, Secondary Air Pump Fuse
Related codes
- P2441Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
- P2442Secondary Air Injection System Switching Valve Stuck Open (Bank 2)
- P2443Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)
- P2445Secondary Air Injection System Pump Stuck On (Bank 1)
- P2446Secondary Air Injection Pump Stuck Off (Bank 2)
- P2447Secondary Air Injection Pump Stuck On (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.