DTC C012B code

harleygonzo

New member
Joined
Aug 16, 2016
Location
tallahassee, FL
TDI
2004 Jetta
Has anyone had this code show up.
I have a kerma TDI Q loader and that is the code that showed up.
I have replaced the maf, map, n75, and glow plug harness.
I have a brand new S7 turbo
kerma front mount inner coller
it has not run right since installation
please help
 

Wrona92

New member
Joined
Mar 11, 2017
Location
Ottawa Ontario
TDI
2005 Golf tdi
Same code

Just got the same code today on my 2005 golf tdi. Everything stock except Malone stage 1.5 tune. Did you figure out what the issue was?:)
 

Owain@malonetuning

Associate Vendor , w/Business number
Joined
Jul 1, 2016
Location
Vancouver
TDI
PD jetta wagon

KERMA

Vendor , w/Business number
Joined
Sep 23, 2001
Location
here
TDI
99 beetle and 04 jetta
Just got the same code today on my 2005 golf tdi. Everything stock except Malone stage 1.5 tune. Did you figure out what the issue was?:)
the OP issue was a boost leak.
I helped him with troubleshooting, it was found and fixed back in November.

FWIW the easiest/best way to convert hex values to decimal is Windows Calculator that comes with your PC. Just use "programmer" mode.
 
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