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code 2 84 1 ?

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45K views 3 replies 3 participants last post by  Mark G RZR 2020  
#1 ·
Hi all , my 2020 xp4 pro has a engine light on and a power steering light on , googled it and people said everything from tail light switch to ecu , said to unplug battery , short the battery leads together , turn switch on and off 4 times , charge battery ,it ran fine last time out parked and now this , check wires from chafing ect ect , i did most of that and still no go , any other ideas or is it ready for a trip to the dealer ? THANKS !
 
#2 ·
Code 84 is the speed sensor on the transmission. Verify the connection at the plug & associated wiring. Unplugging the battery does nothing to reset the ECU. Once the problem is resolved the code will clear. To clear it manually drive in "L" above 3500rpms for 60s or so and it will reset. If the code comes back the problem is not resolved.
 
#4 ·
This Codes. 2-84-1. 2-84-2. place stop replace sensor's, please check your wire for power and ground and signal voltage at the transmission speed sensor, orange wire 12v black wire ground and green wire 4.95 volts. the codes indicates low voltage or open circuit. there and tool to find open circuit or to trace bad spot in your wiring harness and it only $20 and it very simple to use, not rocket science, found my problem it 10 minutes. Mark G