These two lights continue to light up on my car. This blazer lt is old and I want to get it into running condition but these lights will not go off. I ordered a new part to replace the 4 wd module. I have replaced the oxygen sensors and the MAF, replaced shift silicons. Car runs great.

codes that pop up:
c0237
c0281
p0101
p0131
p0151

help is needed. I just wan these lights to go off.
p0756

 

You should be able to look up the meaning of the codes. What year and what type of 4wd? (3-button or 4-button?) What are the symptoms?

 

2001 blazer
C0237 rear spreed sensor or EBCM system
C0281 stop lamp switch
P0101 mass air flow sensor (changed)
P0131 HO 25 circuit low variance bank 1
P0151 02 sensor drivers side (changed)
P0756 shift selinoid B performance/ stuck/ off (changed)

4 button panel.

 

I would be worried about the p0756 as I would get that one before my transmission went out. Do you have hard shifts? I think mine was 1-2 or 2-3. I also lost transmission fluid.due to a line popping off on the highway.

Look up the code but i think it's something that can be fixed by replacing a valve or solenoid in the valve body.

I think the P0131 refers to the O2 sensor on the drivers side but some research is needed.

I would run down the mass air flow sensor code and see if it clears the p0131,p0151

 

Changed MAF and all O2 sensors. I also changed out the 4wd module. Only light left on is the check engine light now.

any suggestions?