Brake Abs Warning Light Problems of Chevrolet Express

Abs warning light randomly illuminates, you can stop, then restart the engine, and it will sometimes go out. Cruise control randomly will not work.

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Driving on interstate at 65 mph, the abs warning light came on, and the speedometer started jumping erratically from actual speed to lower speeds 45, 25 + others as low as 8 (eight) mph. This caused the transmission to downshift unpredictably, over-revving the engine speed. It happened repeatedly so I documented the odometer erratic movement on my cell phone as a video, showing road movement + all gauges + audio events like engine over-revving at same time. The video is of high quality and the events taking place are documented with the video. Rural area with few cars on road at the time. If it took place in a city interstate environment (especially in the winter months) it might have caused a multiple car collision with sudden unexpected downshifting that was out of my control. Engine rpm also hunts erratically and out of my control. Predictable in what it does, it begins approximately within a range of 4-8 miles after leaving home daily. When engine turned off and parked at a local store as an example, it will clear it's problem as if a cpu is "re-booted", and repeat the cycle of erratic behavior from that new starting point. When I bought + installed actron brand obd-ii code reader which features ability to reveal abs brake codes, it never shows any other stored codes except a single po446 which is an emissions related code. This van was originally sent new by the selling nh Chevrolet dealer to the pennsylvania based quigley conversion facility, so in February 2004 was modified from rwd to a 4wd by exchanging stock model 2500 front end for a 4 wd pickup truck new factory front end with 4wdl, neutral, 2wdh 4wdh floor control lever. The driver's door jam has an 8600 lb gvw certification which is appropriately quigley's. My very low odometer at 16,614 miles is accurate, as I also have other vehicles to use, and work at home.

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The contact owns a 2004 Chevrolet Express. The contact stated that while driving 5 mph and depressing the brake pedal, the abs system prevented the vehicle from braking properly and the abs warning light illuminated. In one occasion, the vehicle failed to stop and proceeded through the intersection during a red light. The vehicle was taken to a private mechanic where it was diagnosed that the brake sensors and the abs main control system needed to be replaced. The manufacturer was notified of the failure. The vehicle was repaired but the failure recurred. The failure mileage was 110,000 and the current mileage was unknown.

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The contact owns a 2007 cheverolet Express. The contact was driving approximately 45 mph down a steep grade on a mountainous road. When the brake pedal was depressed, the abs warning indicator illuminated and the vehicle began to shake violently. The abs light remained illuminated until the engine was turned off. The vehicle was not diagnosed or repaired for the failure and the manufacturer was not made aware of the defect. The failure mileage was 3,000.

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2005 Chevrolet Express shock tower failure. Consumer stated that the shock tower cracked in half. Was repaired. She states that the vehicle developed a shimmy after the repair. When the consumer took the vehicle to the shop for the shimmy, she was informed the tie rods had worn out and the technician stated that excessive weight and the wrong wheel/tire size caused additional stress and wear and tear on the vehicle. The abs light flickered.

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While driving abs light illuminated the dash. Took vehicle to dealer. Problem has not been remedied as of yet. Dealer stated that this was a no fix. Please provide any further information.

See all problems of the 2001 Chevrolet Express 🔎.