Brake Sensor Problems of Nissan Altima Hybrid

Pushed on brakes and pedal went down with no brakes. Once pedal got to a low point the brakes came full on with car abruptly coming to a stop. At the same time alarms came on. I shut the car off and restarted and the alarms were still on. I tried driving forward again and slowly pushed down on the brake pedal. The brake pedal continued down with no resistance until it reached a low point and then all of a sudden the car abruptly comes to a stop. Beaverton Nissan confirmed the problem. Beaverton Nissan mechanic with the help of Nissan technical support found the problem to be a brake brake pedal sensor failure. Fortunately I was driving slow in an area with no traffic. However I had no control over the brakes, either they were not engaged or engaged to a point that the car would abruptly stop. I want to emphasis the word abruptly. This is a safety issue for the following reasons: what is I was in traffic and I needed to slow down? I would start to apply the brakes and there is nothing, this delay would have caused me to rear end someone. Or lets say the traffic in front of me slowed down, I would have slow feathered the brakes and finding none I would have continued to push on the pedal and then all of a sudden I have full brakes. I would have been rear ended. And any of this over a brake sensor failure. Nissan consumer affairs brushed it off like it is just a sensor failed, nothing more. If this would have happened 5 minutes difference I would have wrecked the car.

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2008 Nissan Altima Hybrid sedan : while driving the warning indicator for abs illuminated. While slowing vehicle to leave roadway a loud metallic impact noise was heard, followed by vibration. Upon pulling off of roadway onto soft shoulder the vehicle slid and was barely controllable. Was advised by service department at dealership that right front anti-lock brake sensor was damaged by possible rock/debris impact. Wire leading to sensor was sheared. Had dealership return old part. Wire to harness would indicated sheared by impact since ends are frayed. Dealer was unable to replicate the loud metal to metal noise coming from rt front. Not a warranty item since part damaged from road debris. It is my concern that this wire harness is a critical safety component and appears to be unprotected from typical driving, such as rocks and other road debris. Upon failure of the abs, the vehicle is hard to control while braking, especially if this failure occurs on wet or otherwise slippery surfaces. The wire leads to each wheel abs sensor should be insulated and sheathed, and located in a less vulnerable area within the strut/wheelhouse area.

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The contact owns a 2008 Nissan altima. The contact stated that the vehicle could only be started sporadically. The failure progressed until the vehicle could no longer be started. The dealer was notified but no assistance was offered. The vehicle was diagnosed by a private mechanic who advised that the brake sensor cables caused the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 16,000 and the current mileage was 40,000.