P1416moderate severityPowertrain
Secondary Air Injection System Bank 2
on 2004 Cadillac SRX 3.6L V6 · AWD
What this code means
The PCM detected that the AIR system is not functioning properly on Bank 2. Same operating principle as P1415 but for the opposite bank.
Symptoms
- Check Engine Light
- Failed emissions test
- Cold start rough idle
- Increased cold-start emissions
Common causes
- Faulty AIR check valve Bank 2
- AIR pump failure
- Restricted AIR hose Bank 2
- Relay or fuse issue
- Carbon buildup in passages
Diagnostic steps
- Check AIR pump relay and fuse
- Inspect Bank 2 AIR check valve
- Test AIR pump operation
- Check vacuum lines
- Monitor Bank 2 O2 sensor during AIR test
Repair notes
Inspect Bank 2 check valve for restriction. Replace AIR pump or check valve as needed.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1