Cadillac P1416: Secondary Air Injection System (Bank 2) Malfunction

What Does The Cadillac P1416 Code Mean?

AIR Test 1: Engine started, ECT sensor less than 239ºF, engine runtime over 2 seconds, TP angle stable, A/F ratio more than 13:1, engine load under 6.6%, airflow less than 26 g/sec, HO2S bias voltage from 365-513 mv, and the PCM detected the front HO2S si

What Are The Potential Causes Of The Cadillac P1416 Code?

• Air hoses disconnected, loose, kinked or failed (a burnt hose)
• AIR pump is damaged or has failed (inspect air pump for water)
• AIR system check valves and/or pipes are damaged or leaking
• AIR check valve (in hose to vacuum bleed valve) stuck closed
• PCM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Air Intake Hose Fits for Cadillac XTS 3.6L 2013-2019
>>> RXLUCKIES Air Suspension Compressor Pump Compatible with 2013-2018 Cadillac
>>> GM Genuine Parts 214-1047 Air Injection Valve
>>> GM Genuine Parts 12633238 Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.