Hot answers tagged trailblazer
I also have a AWD Trailblazer, and low diff oil can cause uneven gear wear (mine is perennially low because I have a leaking diff seal which the dealer can't get out). As the oil heats up, the vibration can become more prominent because the thick oil is no longer damping the vibration. You may also want to check that your wheels are balanced. You might ...
I found some information that indicates that a dirty ground connection on the motor could be causing the issue. That, or the control board is shot. You might want to clean off the ground connections with some fine sand paper (400 grit) to see if that fixes the issue. WIPER MOTOR TROUBLESHOOTING.PDF I have also found threads that suggest using lithium ...
Second-guessing the root cause is not necessary. If you have access to an OBDII reader (roadside mechanics usually do nowadays), you can hook it up to the OBDII port and get a clear indication of what sensor is generating the warning. I faced something similar recently and learnt that my oil pressure switch needed replacement.
If you can get a copy of the electrical diagrams, you can trace them through and start testing each piece involved in the circuit. I had a similar problem with a Mitsubishi once, and it ended up being a bad headlight stalk... The low beam portion had failed somehow without impairing the high beam or parking light functions!
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