Secondary Air Injection System Switching Valve Stuck Closed Bank 1
2001-2001 Cadillac DeVille 4.6L V8 Northstar
The 2001 Cadillac DeVille is equipped with a 4.6L V8 engine. Below you'll find detailed p2441 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The secondary air switching valve bank 1 is stuck closed, preventing air injection.
Symptoms
- Check engine light
- High emissions at cold start
- Slow catalyst warm-up
Common Causes
- Corroded/stuck valve
- No vacuum to valve
- Carbon buildup
Diagnostic Steps
- Check vacuum supply to valve
- Inspect valve mechanism
- Verify air pump operation
Repair Notes
Replace valve or repair vacuum supply.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2441 on Other Vehicles
Common Questions
What does code P2441 mean on a 2001-2001 Cadillac DeVille?
P2441 stands for "Secondary Air Injection System Switching Valve Stuck Closed Bank 1". The secondary air switching valve bank 1 is stuck closed, preventing air injection.
What are the symptoms of P2441 on a Cadillac DeVille?
Common symptoms of P2441 include: Check engine light, High emissions at cold start, Slow catalyst warm-up.
What causes P2441 on a 2001-2001 Cadillac DeVille?
Common causes of P2441 include: Corroded/stuck valve, No vacuum to valve, Carbon buildup.
Last updated: March 2026