Cruise Control Problems of Volvo S60

The contact owns a 2014 Volvo S60 t6. The contact stated that while driving approximately 60 mph with the cruise control activated, the vehicle suddenly accelerated without warning as the contact released the cruise control function. The vehicle was taken to a dealer where it was diagnosed that a new program needed to be downloaded into the central computer. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure mileage was 500 and the current mileage was 2,200.

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The contact owns a 2001 Volvo S60. The contact stated while driving approximately 65 mph on cruise control, there was a sudden loss of engine power as the service engine urgent warning light illuminated. The service engine urgent warning illuminated intermittently. The vehicle was taken to a dealer where the failure was unable to be replicated. The manufacturer was notified of the failure and stated that the vehicle was previously repaired under NHTSA campaign number: 06v441000 (vehicle speed control) in 2011. The vehicle was not repaired. The approximate failure and current mileage was 205,000.

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This is the second occasion on which this defect has appeared, the prior incident happening in approximately March 2012, at a mileage of approximately 5000 miles. I have owned the car for just under six months. I live in a southeastern us state and travelled to my second home in florida. The car has been parked in florida fewer than 20 total days. On both of the last two occasions during which the vehicle was parked in florida, an animal was apparently able to climb deep into the underbody of the car and chew on wires controlling the dynamic traction stability control system, the antilock braking system, the cruise control system, and the Volvo city safety crash avoidance system. On both occasions, the internal car alert system detected the problem, alerted me, and Volvo agreed to cover the cost of the repairs, though today, on the second occasion, Volvo indicated they will not cover this form of damage in the future. I proposed to both my Volvo dealership and to the national Volvo customer care center that an appropriate form of shielding should be added to cover the wires controlling these systems to prevent an animal's access to them. To the best of my knowledge, this suggestion was ignored, as no special shielding was described/offered, despite the critical nature of these systems. This problem has never occurred with either of the other two vehicles which I regularly take to the same location, thus, I believe this is a design flaw in which either the materials used in these wiring systems are particularly attractive to whatever animal chewed the wires (e. G. Soy-based wire coating polymers perhaps), or more likely, the wires are not sufficiently shielded/jacketed to prevent such damage. In each case, since there was not a nearby Volvo dealership, I drove my vehicle back to the dealership from which I purchased it without functional safety systems.

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The adaptive cruise control in my vehicle has been occasionally malfunctioning (about 10-15 times since purchasing my vehicle in may) causing it to apply the parking brake at speeds of about 5 mph. This causes my vehicle to abruptly stop without the brake lights being activated. I then have to depress the brake pedal and release the parking brake. Then my cruise control is inoperative until I restart the vehicle. I was nearly rear ended after the most recent occurrence. I've taken my vehicle to the nearest Volvo repair center four times to be repaired but the malfunction still occurs. Volvo is unwilling to replace my car under the lemon law.

The active cruise control stops for no reason. This problem is intermittent. On a number of occasions (~20 times since I picked up the car), the car slows down as the traffics slows down. The car is almost at a stop (5-10 mph) and the emergency brakes comes on, the cars brakes hard & stops and the parking brake turns on. The alert "cruise control unavailable" show in the display. Thereafter the cruise will not engage. After I shut off the car and restart it, the cruise again works again. In addition to not performing as advertised, this represents a safety hazard.

Driving car at 75 mph with cruise control set on. Car decelerated and down shifted through each gear and then the engine shut off. This occurred two times. There was another instance of the same parameters but the car started to accelerate its own and when shifted the transmission into neutral the engine ran to redline. Pulled the car off to the side of the road and turned off the engine. Restarted the car and the engine went immediately to redline. After that the car ran fine for 2 days then the deceleration issue happened again.

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