SES Bank 1 and 2 codes, What do they mean?
11-25-2002, 10:45 AM
#1
SES Bank 1 and 2 codes, What do they mean? I have codes P1415 ( Secondary Air Injection (AIR) System Bank 1) and P0154 (HO2S Circuit Insufficient Activity Bank 2 Sensor 1). Okay now I know what the codes mean. But what do these definitions actually mean. What is bank 1 and bank 2 and sensor 1, etc. What do I have to do to fix this. I have Hooker shorty Headers, off-road y-pipe with O2 simulators (brand new O2 sensors before the cats), and Hooker cat-back system. Thanks.
11-26-2002, 12:59 AM
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Re: SES Bank 1 and 2 codes, What do they mean? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by 98_WS6_M6:
<strong>I have codes P1415 ( Secondary Air Injection (AIR) System Bank 1) and P0154 (HO2S Circuit Insufficient Activity Bank 2 Sensor 1). Okay now I know what the codes mean. But what do these definitions actually mean. What is bank 1 and bank 2 and sensor 1, etc. What do I have to do to fix this. I have Hooker shorty Headers, off-road y-pipe with O2 simulators (brand new O2 sensors before the cats), and Hooker cat-back system. Thanks.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Bank 1 is the side piston 1 is so with a GM engine is left head, B2 is right side.
As to O2s S1 is O2 before the Cats and S2 is after the cats, thus HO2B1S1 is left side, before the cat.
On cold start up AIR pump is turned on and pumps air into the headers until engine is warmed up and then AIR is shut down.
There is a check valve of AIR to each exhaust side, if valve is stuck then too much or no air getting to cold O2s, or AIR not working, O2s would see that and trip DTC errors.
<strong>I have codes P1415 ( Secondary Air Injection (AIR) System Bank 1) and P0154 (HO2S Circuit Insufficient Activity Bank 2 Sensor 1). Okay now I know what the codes mean. But what do these definitions actually mean. What is bank 1 and bank 2 and sensor 1, etc. What do I have to do to fix this. I have Hooker shorty Headers, off-road y-pipe with O2 simulators (brand new O2 sensors before the cats), and Hooker cat-back system. Thanks.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Bank 1 is the side piston 1 is so with a GM engine is left head, B2 is right side.
As to O2s S1 is O2 before the Cats and S2 is after the cats, thus HO2B1S1 is left side, before the cat.
On cold start up AIR pump is turned on and pumps air into the headers until engine is warmed up and then AIR is shut down.
There is a check valve of AIR to each exhaust side, if valve is stuck then too much or no air getting to cold O2s, or AIR not working, O2s would see that and trip DTC errors.