42 problems related to electrical system have been reported for the 2003 Chevrolet Avalanche. The most recently reported issues are listed below.
About 3 weeks ago my speedometer needle started going haywire. Some days it works and some it don't. When it isn't working it will say I am doing 30 when I am really doing 70 or I can come to a stop and it says I am doing 20 mph. This is a genuine safety hazard and there needs to be a recall done ASAP. I have read many other complaints regarding the same problem and they all have seemed to start over the last few months which is right after the 3 year warranty for most of us. My truck has 80k miles on it and I am not about to pay $500 for a safety hazard that gm should pay for.
I have a 2003 chevy Avalanche the speedometer show when I am at a full stop it is going 30mph. I have no way of knowing how fast I am going. I only have 50,000 miles.
Speedometer malfunctions. Sticks at different speeds. . . +10 mph, +30 mph, +60 mph etc. Will reset itself after various amounts of times. Minutes to days later.
2003 chevy Avalanche z66 speedometer failure, seems like a very common problem and should be addressed by the manufacturer with recall.
2003 Chevrolet Avalanche, z71 package. The speedometer on the vehicle sporadically stops working or sticks on a particular speed. The dial is not accurate and I cannot tell how fast I am going.
Speedometer not working properly. Driving in 40 miles speed limit and the speedometer reads 120. Speedometer does not reset to 0 when stopped. No injuries, no crashes but with the speedometer defective could cause accident and possible injury.
Windsheld wipers will not respond to switch. I've been told by gm service managers that gm got a batch of bad motors. I've tried the 800-222-1020 number and was told tough out of warrenty. My steering column has a clicking vibreating noise and feel when turning. I'm told again by the service mgrs. That a number of gm products have the same problem but it is not a safety issue. "it's a lubercation problum causing the noise and again tough. The wiper motor costs $325. 00 and the steering column another $300. 00. My car is 2 years old with 93000 mi. The spark plugs are suppost to last 100,000. Why is every thing else falling apart? I was told they would send me a loyal customer discount for a new gm no way. I'll buy a Toyota tundra next time if I can't get some restitution from gm.