What is code P2146?

P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open.

What to do if you get trouble code p2149?

If the trouble codes or customer concern is induced during the wiggle test on any other cylinders (other then P0202/P0207), replace the affected injector connector pigtail with P/N 88988963. This replacement pigtail can be used to repair any cylinder except number 2 and number 7.

What does the p2149 code on Duramax mean?

Please try again later. The 2004 Silverado 2500HD LLY Duramax threw codes P0202 and P2149 yesterday, which means that the wiring to injector #2 is shot. It will sporadically run like normal, but it’s time to replace the connector. I took a quick video of it unplugged, so you can hear how awful it sounds.

Is the p2149 code a FICM problem?

I don’t know how true this is but its posted a lot. If the vehicle set a P2149 by itself and it did not also set a p0202,p0203,p0205,p0208 then it is an internal problem in the ficm. You did not mention that you actually checked this common LLY problem.

What causes the OBD-II trouble code p2146?

What is the p2146 fuel injector group a circuit / open code?

The P2146 Fuel Injector Group A Circuit/Open code is active when the ECM detects a open or malfunction within the fuel injector’s supply voltage circuit. What is the severity of this DTC? Pretty severe I would say. In the field, we call a lack of fuel in the mixture being burnt, a “lean” condition.

What is code P2146?