Easy lifehacks

Why is the service light on on my Chevy Avalanche?

Why is the service light on on my Chevy Avalanche?

It instructed the Tech to check the wiring harness from the encoder to the sensor. The wiring harness will short out from moisture and cause false reading to the sensors. I hand delivered this TSB to the Chevy Service Dept and told them to check the wiring harness before they replaced the encoder.

What causes wheel rotation warning on Chevrolet Avalanche?

Anything the interferes with correct wheel rotation can trip this warning. Did you change tires, have brakes serviced or hit a pothole real hard? Believe it or not even a weak battery can cause warnings of this type due to voltage fluctuations. There are sensors in you wheels that monitor rotation speed, braking and position.

What happens when service 4 wheel drive trouble codes are stored?

When the trouble codes are stored and the Service 4 Wheel Drive Message is displayed, the transfer case is inoperative for the rest of that particular key cycle. It will test again and reset the message on the next key cycle if the problem hasn’t been fixed. The codes may be stored with or without you requesting a transfer case shift.

Why is my service 4WD light not working?

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code (s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

What causes Service StabiliTrak warning on Chevy Avalanche?

Wheel Speed Sensor – If one of the wheel speed sensors is out, your Avalanche will no longer be able to tell if all of the wheels are turning at the same speed. Without this data it’ll turn on the service StabiliTrak warning.

Is it time to service your Chevy Avalanche?

If it works after firing your Avalanche back up, great! If not, it may be time to have it serviced. While it won’t hurt to drive your Chevy Avalanche without traction control or StabiliTrak, you are operating it without an important safety feature.

Anything the interferes with correct wheel rotation can trip this warning. Did you change tires, have brakes serviced or hit a pothole real hard? Believe it or not even a weak battery can cause warnings of this type due to voltage fluctuations. There are sensors in you wheels that monitor rotation speed, braking and position.

Why is my Chevy Avalanche light not working?

The wiring harness will short out from moisture and cause false reading to the sensors. I hand delivered this TSB to the Chevy Service Dept and told them to check the wiring harness before they replaced the encoder. I finally got my truck back at 4:00 PM working great.

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Ruth Doyle