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#1
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Vehicle Speed Sensor Circuit problem code
1992 lt1 coupe, 6 speed.
saw the service engine soon light light up on the way home today... got home, did the good ole paper clip trick... got code 24... "Vehicle Speed Sensor Circuit" GREAT! Now I know what was making the light come one... then I sat back, so proud of myself... blinked my eyes a few times... then said to myself... "Ok, so what the heck does Vehicle Speed Sensor Circuit mean?" Ya'll have any clue? I assume the obvious... thanks in advance. jazz mann |
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#2
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The VSS is an AC generator that produces pulses at a rate relative to the
car speed. It is used for the speedometer, cruise control, and radio volume control (and the selective ride control, if you have it). If your speedo is still working, the problem is intermittent, and possibly a loose connector. John "jameson" > wrote in message om... > 1992 lt1 coupe, 6 speed. > > saw the service engine soon light up on the way home today... > > got home, did the good ole paper clip trick... got code 24... "Vehicle > Speed Sensor Circuit" > > GREAT! Now I know what was making the light come one... > > then I sat back, so proud of myself... blinked my eyes a few times... > then said to myself... "Ok, so what the heck does Vehicle Speed Sensor > Circuit mean?" > > Ya'll have any clue? I assume the obvious... > > thanks in advance. > jazz mann |
#3
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The VSS is an AC generator that produces pulses at a rate relative to the
car speed. It is used for the speedometer, cruise control, and radio volume control (and the selective ride control, if you have it). If your speedo is still working, the problem is intermittent, and possibly a loose connector. John "jameson" > wrote in message om... > 1992 lt1 coupe, 6 speed. > > saw the service engine soon light up on the way home today... > > got home, did the good ole paper clip trick... got code 24... "Vehicle > Speed Sensor Circuit" > > GREAT! Now I know what was making the light come one... > > then I sat back, so proud of myself... blinked my eyes a few times... > then said to myself... "Ok, so what the heck does Vehicle Speed Sensor > Circuit mean?" > > Ya'll have any clue? I assume the obvious... > > thanks in advance. > jazz mann |
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#5
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#6
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Thanks my friends!
Speedo works just fine. And I dont own ANY manual, not even the owners manual... only had the vette a few weeks... trying to find time to get all these manuals. Guess I need to get an FSM... Speaking of electical issues, this may or may not be related... Ya know how when you turn the key off and take it out of the starter after having driven it, the radio stays on and the power windows still work? Then, when you open your door, the radio and windows go off? Well, recently, about 1 out of 3 times, the radio does NOT go off when I open the door. I never open the door until my key is out of the ignition. I have to shut the door, then re-open it, and sometimes THAT doesnt stop the radio! After doing this a 3rd time, the radio normally goes off.... Related? Jazz Mann X-Eliminator > wrote in message >. .. > The first thing to know if you are truly having a VSS problem is to > state whether your speedo works. If yes, then something else may be > causing this code (the VSS drives the speedo thru electrical impulses > at a rate of 4000 pulses per mile, and is connected directly to the > ECM). > > The factory service manual states to check the 2 leads going to the > VSS to make sure that neither is shorted to ground or to the other > (one is purple & the other is yellow - at least it is on my 1990 six > speed). The process is more troublesome if your car has the Selective > Ride Control system. The whole thing can't really be diagnosed here. > You really need to go thru the FSM and the FSM electrical supplement > manual troubleshooting steps, and at the very least you need to have a > multimeter. > > ========================================== > (shut-up Dan) |
#7
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Thanks my friends!
Speedo works just fine. And I dont own ANY manual, not even the owners manual... only had the vette a few weeks... trying to find time to get all these manuals. Guess I need to get an FSM... Speaking of electical issues, this may or may not be related... Ya know how when you turn the key off and take it out of the starter after having driven it, the radio stays on and the power windows still work? Then, when you open your door, the radio and windows go off? Well, recently, about 1 out of 3 times, the radio does NOT go off when I open the door. I never open the door until my key is out of the ignition. I have to shut the door, then re-open it, and sometimes THAT doesnt stop the radio! After doing this a 3rd time, the radio normally goes off.... Related? Jazz Mann X-Eliminator > wrote in message >. .. > The first thing to know if you are truly having a VSS problem is to > state whether your speedo works. If yes, then something else may be > causing this code (the VSS drives the speedo thru electrical impulses > at a rate of 4000 pulses per mile, and is connected directly to the > ECM). > > The factory service manual states to check the 2 leads going to the > VSS to make sure that neither is shorted to ground or to the other > (one is purple & the other is yellow - at least it is on my 1990 six > speed). The process is more troublesome if your car has the Selective > Ride Control system. The whole thing can't really be diagnosed here. > You really need to go thru the FSM and the FSM electrical supplement > manual troubleshooting steps, and at the very least you need to have a > multimeter. > > ========================================== > (shut-up Dan) |
#8
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Ya know how when you turn the key off and take it out of the starter
> after having driven it, the radio stays on and the power windows still > work? Then, when you open your door, the radio and windows go off? > Well, recently, about 1 out of 3 times, the radio does NOT go off when > I open the door. I never open the door until my key is out of the > ignition. I have to shut the door, then re-open it, and sometimes THAT > doesnt stop the radio! After doing this a 3rd time, the radio normally > goes off.... > Related? > Jazz Mann Sticking door switch. |
#9
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Ya know how when you turn the key off and take it out of the starter
> after having driven it, the radio stays on and the power windows still > work? Then, when you open your door, the radio and windows go off? > Well, recently, about 1 out of 3 times, the radio does NOT go off when > I open the door. I never open the door until my key is out of the > ignition. I have to shut the door, then re-open it, and sometimes THAT > doesnt stop the radio! After doing this a 3rd time, the radio normally > goes off.... > Related? > Jazz Mann Sticking door switch. |
#10
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ugh, sounds easy enough, im embarassed I didnt think of that first..
okay, punish me Dave "John H" > wrote in message >... > > Sticking door switch. |
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