Question about 1994 Volvo 850

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Volvo 850 cruise control won't function

Cruise control will not function now. Checked fuses but don't know what else to check.

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  • 412 Answers

Check vacuum line and cable from the cruise unit. You need a factory scan tool to check it beyond that unless you are real good with a volt meter.

Posted on Apr 15, 2015

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Posted on Jan 02, 2017

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SOURCE: Cruise control for 1996 960volvo

I had approached a local garage that specialize in import cars and asked for some advice on my issue. They gave me some ideas to try and look for. remember that I am mechanically incline when it comes to most things. Feeling armed with some good info, I went home to work on some of their suggestions. One suggestions was to check the brakeing switch that works off the brake pedal movement. As everyone knows, when you touch the brake when cruise is on it cancels out the cruise functions. The mechanic said that if this was not working properly the the cruise control would not work as well. I was also told to check all the vacume lines that have to deal with the cruise assembly. Upon inspection of the lines I noticed some vacume modules. So I tapped all the modules with a rubber handled screw driver as well.
Later that day I took the car for a drive and tried the cruise control and low and behold, it worked. This advice cost me just a little bit of my time and thats all. I am so gratefull for the advice that was given to me from Alpine Motors that led to a simple fix for my issue, that I when to the local donut shop and bought a large box of treats for them. I was fortunate this time arround, but I didn't give up hope that this issue was not as serious as it seems to be.

Posted on Jul 01, 2008

  • 3 Answers

SOURCE: cruise control won't engage

most likely the clock spring is not the problem because when u push the button the dash light cruise comes on.wich means that you do not have an open circuit.with a light tester check to see if you are getting power to the cruise control servo.if you are then replace it.if no power you will need a new cruise control stick on the steering column.

Posted on Jan 08, 2009

jim9813
  • 124 Answers

SOURCE: volvo s40 1.8 gdi excessive fuel consumption

You're going to have to figure out what's causing the misfire. The car is almost 10 years old, so change the plugs to start with. If you still have a misfire, go to auto zone and have them pull the codes to find out which cylinder is the issue. Then figure out fuel or spark? Coil or injector? Was there a lean code? Check for a vacuum leak. Change the fuel filter and air filter for maintanence. The cruise control may be another issue.

Posted on Aug 06, 2009

  • 1 Answer

SOURCE: My 2003 Volvo S80 cruise control workds sporadically.

On my 2002 S80 T6, the problem is the brake booster diaphragm position sensor's failure (Volvo 2002 S80 T6 part #31261486--other years, models might be different). This is essentially a piston-driven potentiometer that tells the cruise control system when you've applied the brakes, signaling it to switch off control of the throttle. It's mounted on the back of the brake booster with a wire circlip. It's not easy to get at, and I had to remove the cross-brace between the shock mounts to get at it more easily. The part's about $90 from online parts sources, more at the dealer, plus my dealer wanted a king's ransom to install, $400, parts and labor! While not easy to get to, it's fairly easy to replace--just BE SURE to pump the brakes a lot, engine off, before removing it so that residual booster vacuum won't **** the rubber o-ring around the sensor's cylindrical body into the booster chamber. Hardest, most aggravating part is removing and replacing that steel circlip that holds the sensor in place. Dropping that little steel band into the back of the engine bay kicks off a whole new adventure!

Posted on Dec 05, 2009

  • 972 Answers

SOURCE: horn and steering wheel functions not working

could be a bad clocksping the airbag is on it to but one of the thin film "wires" that are glued to it may have cracked.all the switches are on one "wire" the resistance of each switch is how the body control computer knows what button is pushed. i broke one of those clocksprings accidently when i worked at volvo so thats how i know those things are/were 1400.00$ i would take it to the dealer to have them diagnose and repair. the clock spring breaks real easy when you take off the steering wheel.

Posted on Apr 24, 2010

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1 Answer

Parking Brake Light won't turn off, Cruise Control won't engage


Get down and look at parking brake assembly, If you see an electrical connector, unplug it, see if that helps? If it doesn't help or causes other issues just plug it back in.
Of course that isn't the proper fix. If something wrong with parking brake assembly, get it checked out.

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check cruise control fuse and check the brake lights see if brake light working because the brake light switch will deactivate cruise control when brakes is applied.if brake lights dont work either fuse blowed or switch bad.if all is good have vechicle code scan because cruise control control by PCM and vechicle speed sensor and thottle actuator control motor.

Apr 17, 2013 | 2004 Chevrolet TrailBlazer

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My cruise control doesn't work??...any


jnjkingbird, It sounds like this problem is the clock spring as I don't believe that the horn and the cruise control would share a fuse. However, they do share a circuit in the clock-spring. You can check for power at each unit (horn and the cruise control) which would confirm this. Check each fuse as well. Good luck with this.

May 29, 2011 | 2002 Lincoln LS

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The cruise control on my 2001 just quit working i have checked the fuses and all are ok while driving i can engage the criuse control and the cruise light comes on for an instant almost like a flash any...


A vehicle speed sensor provides a signal for the cruise control and also for the ABS braking and the overdrive function. I would start with finding the fuse for the cruise control in your owners manual. Also some cruise controls have vacuum lines attached, if so, check for cracked or broken vacuum lines. Good luck.

Oct 07, 2010 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Horn and steering wheel functions not working


could be a bad clocksping the airbag is on it to but one of the thin film "wires" that are glued to it may have cracked.all the switches are on one "wire" the resistance of each switch is how the body control computer knows what button is pushed. i broke one of those clocksprings accidently when i worked at volvo so thats how i know those things are/were 1400.00$ i would take it to the dealer to have them diagnose and repair. the clock spring breaks real easy when you take off the steering wheel.

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2 Answers

Cruise control problem


There are 3 places on the Rav4 where fuses can be located and checked. for the cuise control.

The back of the cruise control stacking switch has been know to fail (fall apart) and Toyota issued a TSB with replacement switch.

if it is the fuses then they most likely are related to cruise control system: Stop, Dome, Gauge and Igniton
The interior fuse box
The main engine fuse box (by brake fluid)
Cruise control ECU is under the glovebox.
Cruise control actuator is under hood (by driver side brake fluid/booster)Throttle position sensor (to detect if your foot is on gas pedal)
Cruise control switch on the clutch pedal too (if you have 5spd manual)
Brake lights are the deactivate signal for the cruise control


Aug 13, 2009 | 1998 Toyota RAV4

2 Answers

Cruise control doesn't engage 1999 volvo s80 t6


not a volvo mechanic but on most american cars the abs and stc modules are in direct corilation with the cruise even though the cruise is most likely ran from vacume the disengagement is electrical.

Dec 06, 2008 | 1999 Volvo S80

1 Answer

Cruise control for 1996 960volvo


I had approached a local garage that specialize in import cars and asked for some advice on my issue. They gave me some ideas to try and look for. remember that I am mechanically incline when it comes to most things. Feeling armed with some good info, I went home to work on some of their suggestions. One suggestions was to check the brakeing switch that works off the brake pedal movement. As everyone knows, when you touch the brake when cruise is on it cancels out the cruise functions. The mechanic said that if this was not working properly the the cruise control would not work as well. I was also told to check all the vacume lines that have to deal with the cruise assembly. Upon inspection of the lines I noticed some vacume modules. So I tapped all the modules with a rubber handled screw driver as well.
Later that day I took the car for a drive and tried the cruise control and low and behold, it worked. This advice cost me just a little bit of my time and thats all. I am so gratefull for the advice that was given to me from Alpine Motors that led to a simple fix for my issue, that I when to the local donut shop and bought a large box of treats for them. I was fortunate this time arround, but I didn't give up hope that this issue was not as serious as it seems to be.

Jun 27, 2008 | 1996 Volvo 960

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