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So you basically just washed the exterior shell of the connector. Get some contact cleaner on the pins and sockets; it might help.
There are many solenoids and sensors throughout the transmission. The only way to access all of the parts and pieces is with the transmission on the bench. The codes you reported point to several different problem areas. P0502 - Vehicle Speed Sensor (VSS) Circuit Low Input The VSS sensor is located on top of the RH drive axle extention. Easy enough to check for a loose or dirty connector. And the sensor is not an expensive part. P0719 - Brake Switch Circuit Low Input This might indicate a brake pedal switch that is not operating properly or is not installed/adjusted properly. Does your cruise control work as expected? P0741 - TCC System Stuck Off Cleaning the pins and sockets in the transmission connector might fix this code. No guarantees on that one. Joined
Jul 2, 2015 · 3 Posts
Discussion Starter · #1 · Jul 2, 2015 My speedometer went out last week and I replaced the vss. Everything worked fine for a couple of days until I left the car running for about 10 minutes while I ran into the store. When I pulled off the Speedo went up to about 25 mph then it just dropped off. Then the car stopped pulling so I pulled over and stopped and it went back into gear. Ok while I
was trying to make it home I noticed that if I press down on the gas the Speedo would work fine. Take my foot off the gas and it would drop again. I pulled that bad out and replaced it with another new one and it drove fine again, no problems at all until I did the same exact thing again by leaving the car running to cool the inside off and now it's back jumping all over the place. Does anyone have a clue what's wrong. 1998 Seville STS, 2003 Deville Joined Jan 5, 2007 · 277 Posts
Re: Speed Sensor problems Please Help!! Read the Sticky above on how to pull the DTC codes then lookup the code description(s) that show up and get back with us.
1973 Cadillac Hearse, 2002 Cadillac DHS Joined Oct 8, 2013 · 288 Posts
Re: Speed Sensor problems Please Help!! Definitely pull and post your codes. Shooting in the dark, it does sound like two different things going on...A malfunctioning cluster (bad cluster, loose wiring, sensor, etc) and the car not pulling or feeling like it went out of gear. The latter can be something as simple as a loose shifter/cable or you bumped it with your leg or a transmission slip which would set codes. A bad speed sensor or wiring would also set codes. Joined Jul 2, 2015 · 3 Posts
Discussion Starter · #4 · Jul 2, 2015 The codes I have are.. This is how it's doing Pt 2 Speedo Re: Speed Sensor problems Please
Help!!
The codes I have are.. 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville Joined Sep 11, 2010 · 26,306 Posts
Codes are meaningless without their definitions. Though off the top of my head the p0410 is an A.I.R. system issue and the p0741 is a TCC issue. Neither pertain to your problem.
2002 F55 STS, 2014 Explorer XLT, F-150s Joined Feb 26, 2006 · 77,969 Posts
The VSS is located on top of the right hand transmission output shaft housing; about a foot in front of where a passenger's toes would point. bishop, Scroll down and study the text - the hundreds of
possible codes are below the text in system order. http://www.obd-codes.com/trouble_codes/gm/obd_codes.htm Joined Jul 2, 2015 · 3 Posts
Discussion Starter · #7 · Jul 4, 2015 I have replaced the VSS twice. it does fine until i let the car sit and idle for about 10 minutes then it goes wakco again. I tried to post a video of it but it wont come up
I have replaced the VSS twice. it does fine until i let the car sit and idle for about 10 minutes then it goes wakco again. I tried to post a video of it but it wont come up Did you ever figure out your issue? Mines doing the same thing and I'm having a real hard time figuring it out. But mine isn't
throwing any codes at all 2002 F55 STS, 2014 Explorer XLT, F-150s Joined Feb 26, 2006 · 77,969 Posts
Welcome to CF !!! The member whom you quoted has not logged in for over 6.5 years. Unless he has his site preferences set for e-mail notifications he'll never see your question. Maybe better to start your own thread in the correct vehicle/model/year forum. What are the symptoms of a faulty speed sensor?5 Common Bad Speed Sensor Symptoms. Transmission problems. ... . Erratic speedometer readings. ... . Inability to engage cruise control. ... . Lack of torque converter clutch application. ... . Check Engine Light is triggered. ... . An internal electrical fault in the speed sensor. ... . Damage on the sensor itself. ... . Poor vehicle maintenance.. Is it hard to replace a speed sensor?Fortunately, it is easy to replace a wheel speed sensor and takes you about an hour at maximum. You can also remove the ABS wheel speed sensors separately keeping other parts integrated into the wheel bearing hub assembly.
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