C0306 (Motor A/B Circuit) persists for over a year and all the parts and $ thrown at it. Please Help!
I have done;
- actuator
- selector switch
- TCCM
- TCCM wire harness
- Encoder Motor & relearn flash
- Checked all external grounds, cleaned
- checked all fuses
- I do not see broken wires...
My 2015 just went past 100k and dealer wants to change everything. Some of this stuff, per the manual, I should have done 10k miles ago but I didn't see any mention of how often power steering fluid should be changed.
Also internet search says coolant every 30-35k miles while manual says 150k...
Hey sorry for posting so much
So I have swapped the switch, no change
I swapped in a new encoder motor and cleaned the connectors ( no corrosion just wanted to be thorough) , no change
Before the encoder motor and cleaning I had c0308 and c0327
With the new encoder I had c0308 and c0323...
So I'm at a loss right now with my Tahoe. I have a rear main seal leak and it's been leaking into the encoder motor. I cleaned and replaced the encoder ring once I found the issue but since doing so my tahoe kicks into 4L on it's own when starting the vehicle and putting it into drive. I have...
2006 Chevy Tahoe 189k 3rd transmission. I am unable to find my previous post about this so just wanted to post an update. I was having the Service 4wd message and also stability control disabled sporadically. I used information on here to test the switch and indeed the 4Lo button had a bad...
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