B48 engine codes on JB4

[Cmelo]

Anyone know what this code is? Haven’t found anything online on it. 030DA7

I also had a 118602 mixture control exhaust gas after catalytic converter too lean code.

Should I be worried?

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[zrk]

Did you get a CEL?

 

[Jesse DaBears]

Looks like all faults and a catless downpipe code.

 

[Cmelo]

Did you get a CEL?

I already have one from downpipe

 

[Axix23]

You good man. Everybody here runs jb4 with 0 issues.

 

[zrk]

I already have one from downpipe

Oh good on you then for checking. The number of people that don't check the CEL because they have a downpipe is staggering.

The rest of the codes are faults.

 

[Kashbringer]

CD990E
CD900B
21B056
21B055
180001

Are all always on for me as a 2.0 with a catless downpipe... And i check the codes once a week since the CEL is always on with the catless downpipe. I've yet to see a 030DA7 or 030E0F.

 

[Kashbringer]

From what i can see online both are battery related. Might want to try a trickle charger if you arnt driving the car a lot? Or you might want to have the secondary battery checked out.

 

[Cmelo]

From what i can see online both are battery related. Might want to try a trickle charger if you arnt driving the car a lot? Or you might want to have the secondary battery checked out.

Im thinking the same, i don’t drive the car often and I just checked the battery is a bad brand

 

[Nathan]

Somewhat of a similar issue. Just installed jb4 with takeda intake and chargepipe. Getting these codes. Anyone know what’s up? Could be a bad battery or sensor.

 

[xHumble_MKV]

Any of you guys have a catted downpipe that still get a cel for a catless downpipe ? I reach out to active autowerke. They send me a warranty one and I still got it after doing their break in procedures

 

[Kmj442]

Any of you guys have a catted downpipe that still get a cel for a catless downpipe ? I reach out to active autowerke. They send me a warranty one and I still got it after doing their break in procedures

Not trying to be a dick but the O2 sensors are plugged in, right? Both of them

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