What to do if your injector code is p2149?

If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair the injector connectors and install the injector harness support kit.

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.

How to tell if there is an open in p2149?

One test I like to do to determine quickly if there is an open within a particular wire which would help with code P2149 is to do a “continuity test”. Setting your multimeter to RESISTANCE (a.k.a.: ohm, impedance, etc.), touch one end to one tip of the circuit and the other end at the other tip.

What are the codes for Silverado 2500HD LLY Duramax?

This feature is not available right now. 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.

What causes a p0206 engine light code to appear?

The causes of a P0206 engine light code could be any of the following: Bad injector. Open in the wiring to the injector Short in the wiring to the injector Bad PCM

What causes the p0336 OBD-II trouble code?

Make sure to thoroughly inspect the reluctor wheel for damage, as it is commonly overlooked as a cause for the P0336 trouble code. It is also important to keep in mind that an engine misfire can also be responsible for causing this code. Need help with a P0336 code?

What does PCM p0206 mean on an injector?

Although generic, the specific repair steps may vary depending on make/model. P0206 means that the PCM detected a fault in the injector or the wiring to the injector. It monitors the injector and when the injector is activated, the PCM expects to see the voltage pulled “low” or close to zero.

What causes a p2146 fuel injector supply voltage code?

Causes for this P2146 fuel injector group supply voltage code may include: Defective or damaged fuel injector(s) Damaged wiring harness Internal wiring malfunction Internal ECM issue Connector problem

What causes the p0446 trouble code on a GMC Sierra?

When the EVAP control system vent control circuit no longer responds to the ECU, it will throw the P0446 OBDII Code. There are many things that can cause the P0446 trouble code to trigger in your GMC Sierra.

What are the symptoms of a p2146 trouble code?

Symptoms of a P2146 trouble code may include: Erratic engine performance. Misfire. Fuel economy reduced. Erratic idle. Excessive smoke. Engine noise(s) Lack of power.

What is the trouble code on my GMC Sierra?

P0446 GMC Sierra. One of the most common trouble codes with the GMC Sierra is the P0446 code. This trouble code references a number that is given to you when you plug your Sierra into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system. It often appears with other codes, such as P0420, P0441, or P0440.

What to do if your injector code is p2149?