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Old 05-20-2011, 12:22 PM   #1
lankanboy1
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84-1 sensor logic failure
I got a 05 Tl Auto with traction control light on as soon as i start driving couple of meter my Vsa comes on. got the code read and came to 84-1 sensor logic failure.

well this what happen first few months back, my ABS VSAand traction control comes intermittently, and my front passenger wheel bearing was bad so i changed the bearing after that The ABS VSA TC was on so i get the code read and found all theese

1.11-1 Right front wheel speed sesor open or short
2. 21-1 Right front pulsan failure
3.-Battery Voltage low ( CAR WAS PARKED FOR 1 WEEK before the scan" ACURA BATTERY ")
4.83-1 Ecm Pcm related failure
5.86-1 Can Related failure

After clearing all those only
11-1 Right front wheel speed sesor open or short Came back

so i got the front pass wheel sensor replaced after that i get only TC light on as soon as i start driving i get the Vsa light on So i get it scanned and i get 84-1 sensor logic failure What now ?
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Old 05-21-2011, 5:44 PM   #2
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You damaged the wiring to the wheel sensor, damaged the sensor itself, or damaged the reluctor ring or forgot to replace the reluctor ring.
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Old 05-22-2011, 8:47 AM   #3
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whats the reluctor ring ?
were it is ?
is it on the axel ?
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Old 06-04-2011, 10:29 PM   #4
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So i get my hands on The Gna600 Scanner witch the dealer use and found out that it has 2 codes now 84-1 and 86-1 and i cant seem to clear the codes for some reason.

i dont think the reluctor ring is damaged because all the wheel speed sensor is giving the correct speed.
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Old 06-09-2011, 1:41 AM   #5
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I'm having the same problem right now just came on tonight.
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Old 06-09-2011, 1:52 AM   #6
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Quote:
Originally Posted by lankanboy1 View Post
So i get my hands on The Gna600 Scanner witch the dealer use and found out that it has 2 codes now 84-1 and 86-1 and i cant seem to clear the codes for some reason.

i dont think the reluctor ring is damaged because all the wheel speed sensor is giving the correct speed.
Does your scanner show individual wheel speed? The vehicle speed sensor is on the transmission, not the wheels. This is what's displayed when you look at vehicle speed.
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Old 09-30-2012, 6:36 PM   #7
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Was there ever a fix for this? I have the same issue
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Old 10-01-2012, 3:39 PM   #8
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For anyone searching or wondering the dealer has to reset the computer, no way around it
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Old 10-30-2012, 10:44 PM   #9
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its been so long i dont remember how i fixed it but i changed one of the wheel sensor the calibrated the sensor and every thing worked fine after that
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Old 05-01-2013, 10:48 PM   #10
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I'm having the same problem. If anyone see this I just replaced both my front hub bearings today and am getting a 84-1. I made sure the new bearings are in the right way and i cleaned the wss sensors. ECU reset? Can I do a battery hard reset or does Acura have to do it. I work at a shop so hopefully they'll hook me up
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Old 05-02-2013, 10:06 AM   #11
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Might have to take it to Acura, "VSA neutral memorization procedure", basically a Reset that they perform with the HDS.
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Old 05-02-2013, 10:06 AM
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84, 841, acura, bearing, cl, clear, code, failure, honda, logic, mdx, pcm, sensor, tl, wheel

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