P1416moderate severityPowertrain
Secondary Air Injection System Bank 2
on 2013 Cadillac ATS 3.6L V6 · RWD
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1