Question about 1999 Audi A6

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95 bronco cruise control is erratic

1 in 5 times it engages.

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Check to see if the transmission speed sensor on the tail stock housing is broken. Tipically the aluminum sensor housing cracks but remains intact. The sensor will have a spedo cable and a two wire connector attached to it and is held in place by a 10mm bolt.

Posted on Mar 21, 2009

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I activated the cruise control on my 95 Nissan Sentra and now it won't disengage...any suggestions?


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Sep 30, 2015 | Nissan Cars & Trucks

1 Answer

Where is the fuse for cruise control on a 2003 envoy


It is HVAC 1fuse #39 in the rear fuse block ,this powers the on/off switch for cruise control ! Fuse Block - Rear Beneath the left rear seat. What engine does it have ? 4.2 L or 5.3 l There is no vacuum involved in the operation of the cruise control ! Your vehicle has electronic throttle control .
Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at vehicle speeds above 40 km/h (25 mph). Steep grades may cause variations in the selected vehicle speeds.
The following are the main components of the Cruise Control System:
?€¢
The powertrain control module (PCM)


?€¢
The On/Off switch


?€¢
The Resume/Accel switch


?€¢
The Set/Coast switch


?€¢
The TCC brake switch


?€¢
The stop lamp switch


?€¢
The throttle actuator control (TAC) motor


?€¢
The vehicle speed sensor


Cruise Control Engaged
The cruise control system will engage and adjust the vehicle speed based on the activation of the following cruise control switches:
?€¢
On/Off


?€¢
Resume/Accel.


?€¢
Set/Coast

The cruise control switches are located on the multifunction/turn signal lever.
The powertrain control module (PCM) monitors the signal circuits of the cruise control switches in order to determine when to capture and maintain the selected vehicle speed. The PCM uses the throttle actuator control (TAC) module motor in order to control the vehicle speed. For further information on the TAC System, refer to Throttle Actuator Control (TAC) System Description in Engine Controls - 4.2 L.
Ignition positive voltage is supplied from the 10 ampere HVAC 1 fuse to the cruise control switch via the ignition 3 voltage circuit. When the normally open cruise control On/Off switch is turned On, the switch closes and the PCM detects a high signal voltage on the cruise control on switch signal circuit. When the normally open Set/Coast switch is pressed, the switch closes and the PCM detects a high signal voltage on the cruise control set/coast switch signal circuit. To engage the cruise control system, turn the On/Off switch On and momentarily press the Set/Coast switch. The PCM will confirm that the cruise control enable criteria has been achieved. The PCM will engage the cruise control system and record the selected vehicle speed. The PCM sends a class 2 message to the instrument panel cluster in order to illuminate the cruise control indicator. Pressing the accelerator pedal, while the cruise control system is engaged, will allow the driver to override the cruise control system in order to accelerate the vehicle beyond the current set vehicle speed. When the accelerator pedal is released, the vehicle will decelerate and resume the current set vehicle speed. The driver can also override the current set vehicle speed via the Set/Coast switch and the Resume/Accel switch. When the cruise control system is engaged, pressing and holding the Set/Coast switch will allow the vehicle to decelerate from the current set vehicle speed without deactivating the cruise control system. When the Set/Coast switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily pressing the Set/Coast switch will allow the vehicle to decelerate at 1.6 km/h (1 mph) increments for each time that the Set/Coast is momentarily pressed, with a minimum vehicle speed of 37 km/h (23 mph). When the normally open Resume/Accel switch is activated, the switch closes and the PCM detects a high signal voltage on the cruise control resume/accel switch signal circuit. Activating and holding the Resume/Accel switch, when the cruise control system is engaged, will allow the vehicle to accelerate to a greater vehicle speed than the current set vehicle speed. When the Resume/Accel switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily activating the Resume/Accel switch will allow the vehicle to accelerate at 1.6 km/h (1 mph) increments for each time that the Resume/Accel switch is momentarily activated, with the maximum acceleration total of 16 km/h (10 mph) over the current set vehicle speed . Momentarily activating the Resume/Accel switch, after the cruise control system has been disengaged by pressing the brake pedal, will recall the previous set vehicle speed that is recorded in the PCM.

Sep 11, 2015 | Cars & Trucks

1 Answer

Cruise control trouble shooting


The cruise control depends upon input from the speed sensor to determine when to engage. The sensor may be erratic.

Jun 26, 2014 | 2005 Mercury Mountaineer

1 Answer

Cruise control won't set speed.


on my 98 eldo the cruise control clips to a bracket if it has come undone the cruise might say it has engaged it cant engage. If the plastic piece on the cruise cable has broke use several zip ties to hold cable in place' Make sure it holds it in place proberly or idle will be to high. look under hood driver side there will be 2 cables. 1 eccelarator. 1 cruise controll

Mar 10, 2013 | 1999 Cadillac DeVille

1 Answer

I changed the vss and the 4wabs sensers and the wires are good but my speedometer is still jumpy and my abs does not work on my 95 ford bronco but i dont have any codes that i am aware of is it possiable a...


on my 94 i didnt have codes either,but the electric motor failed on the abs due to moisture.the speedometer on mine jumps too,but mine with 220,000 miles it was the gauge cluster,couldnt tell if i was driving 5 miles per hour too slow or too fast.the cruise may be the clock spring behind the steering wheel,but most of the time the horn wouldnt work or the air bag light would be on and beeping

Jan 22, 2010 | 1995 Ford Bronco

1 Answer

2006 jeep grand cherokee - cruise light does not come on, and cruise does not engage. after cruise started not working, the cruise light came on briefly one more time.


Most likely a problem with the PCM (Powertrain Control Module). It may be malfunction or it may just need to be reset. Try disconnecting and reconnecting the battery for about a minute. If that doesn't work then go to the dealer and they will run a diagnostic test for about $95. If the PCM is the problem it will be covered under manufacture warranty for 8 years 80,000 miles.

Hope this helps.

Aug 08, 2009 | 2006 Jeep Grand Cherokee

1 Answer

Cruse control acts erratic when engaged


that actual cruise control switch is out. happened in my roadmaster.

Apr 07, 2009 | 1994 Buick Park Avenue

1 Answer

The cruise control on my 1993 Honda Accord LX, automatic 4 cylinder works sometimes and sometimes not. It worked three days ago. It wouldn't work the next day. The following day it would. Now it won't...


Sounds like possibly a safety switch associated with the brake or shifter is engaging intermittently. There is definitely one behind the brake because when you apply the brake the cruise kicks out. Try looking for this switch and check it out.

Nov 21, 2008 | 1993 Honda Accord

2 Answers

2004 ford sport trac - cruise control no longer works


This problem is most times caused by an open circuit in the rotating contact under the steering wheel, this part is called the clock-spring contact, it supplies a connection to the airbag and steering wheel controls like the cruise, horn and radio controls. I would check the fuse as well to cover the bases, it is fuse #9 in the passenger compartment fuse box, it is a 7.5 AMP

Oct 21, 2008 | 2004 Ford Explorer Sport Trac

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