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Vehicle chuggs/jerks at crusing speed - 1995 Nissan Pathfinder

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My cruse control on my c5 corvette z06 2004 works in 2nd and 3rd but not in 4th,5th, or 6th gear. Where can my problem be?


Obviously there is a glitch in the electronic's somewhere an guessing as to what the problem mite be isn't going to fix it ! You should take it to a qualified repair shop that knows these systems an how to test then , hooking up a factory or professional grade scan tool an checking inputs to the module that controls it . All anyone on here can do is guess ( myself too ) . Testing the electrical circuits , scan data ,using a lab scope if need be . This system is all computer controlled ! Your vehicle has electronic throttle control ,do you know what that is ?
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) module
• The Clutch Pedal Position (CPP) switch, if equipped with a manual transmission
The PCM will engage and adjust vehicle speed based on the information received from the TAC module via the UART serial data link. For further information on the TAC system, refer to Throttle Actuator Control (TAC) System Description in Engine Controls--5.7 L.
It could be that a software up data could fix the problem or a sensor is going bad !

May 27, 2017 | Cars & Trucks

1 Answer

2009 Chevy Silverado 1500 cruse stoped working but light is still on.


This is very complex , first thing is have the vehicle checked for DTC'S - diagnostic trouble codes stored in the BCM , PCM !
The body control module (BCM) monitors the signal circuit of the cruise control switches. The BCM relays the cruise control switch status to the engine control module (ECM) via the GMLAN serial data circuit. The ECM uses the status of the cruise control switch to determine when to capture and maintain the vehicle speed. The ECM monitors the vehicle speed signal circuit in order to determine the desired vehicle speed. The ECM uses the throttle actuator control (TAC) motor in order to maintain the vehicle speed. For further information on the TAC System, refer to Throttle Actuator Control (TAC) System Descriptionfor the 4.3L engine or Throttle Actuator Control (TAC) System Description for the 4.8L, 5.3L, 6.0L, 6.2L or 7.0L engines.
Your best bet would be to take to the dealer !
Yo

Oct 24, 2016 | 2009 Chevrolet Silverado 1500

1 Answer

My honda crv 2009 jerks on speed. why?


VSA vehicle stability assistance, you may have accidently pressed the button on the left side under the heater vent, if the switch is on then check the VSS sensors at the wheels to make sure there are connected. Reply.

Oct 31, 2015 | 2009 Honda CR-V

1 Answer

2005 Toyota Corolla jerking


When does it jerk , all speeds or under a steady load ? going up a hill ? Would you consider it a misfire ? do you know what a misfire feels like ? Do you have a check engine light on or flashing ? Does your vehicle have coil on plug ignition ?

Feb 12, 2015 | 2005 Toyota Corolla

1 Answer

Cruse drops out


does ur speedometer read when it goes out? if so replace speed sensor

May 16, 2014 | 1998 Buick Century

1 Answer

Hi I have a 1991 Olds Cutlass Supreme, with a 3.1 liter engine. My problem is when the car warms at stops it runs rough. Sometimes shuts off. Sometimes when crusing at speeds 30-50 the car sort of jerks...


My 3.4 liter 91 Cutlass Supreme has similar problem when warm the engine misses (car jerks). But its fine at idle and without any accelerator pressure. The SERVICE ENGINE light also comes on intermittantly. I am going to test the ignition coils.

Oct 25, 2010 | 1991 Oldsmobile Cutlass Supreme

1 Answer

Car chugs and jerks like crazy while cruising


Determine whether the jerking is engine or transmission related. One way to determine if it is the transmission lock up converter is acting erratically is to down shift out of OD. And see if jerking persist. If it goes away suspect transmission to have problems with torque converter or TCC solenoid . If it doesn't go away determine whether or not the engine sounds to be misfiring. If so vehicle may require a tune up. Many vehicles can be diagnosed for free at your local Auto Zone.

Jul 19, 2010 | 1995 Oldsmobile Eighty Eight

2 Answers

Speednomitar started to go up and down and when i had cruise on it was going fast and slow and now the speednomitar is not working


well at least you could honestly say "officer I wasnt speeding, actually I wasn't moving" lol
but on a more serious note, the problem mostlikely stems from the vehicle speed sensor which should be located on a front wheel, usually the left front but sometimes the right front. and they can sometimes be a pain to get to since they like to hide under the rotor right next to the CV shaft. this advice is based on the understanding that with the cruse control on the vehicle can't remain at a constant speed on flat ground.

Mar 13, 2010 | 2002 Hyundai Santa Fe

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