So I had my car tuned recently. Now I'm getting code after code. I'm getting p1400 for unauthorized software. Does that cause a cel? Now I'm getting u1134 and u1140 for the exhaust valves. Do they cause a light? I'm also getting p0125, p0430, p0219a. I think these last 3 are related. Any ideas? If I clear codes and start the car and drive for any amount of time the light stays off, but soon add I shut it off and restart it comes on immediately every time.
Last edited by Stultzd; 08-11-2022 at 06:11 AM.
the 1400 is due to software change/unlock i assume newer model 2015+ ecu
125 if you changed your thermo will cause it
430 catless
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P1400 Does not cause a CEL the other codes will
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P1400 can be turned off
Would you like to elaborate on the P1400 being able to be turned off. I've been told this is not possible.
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