p0720 Code
I have a 1999 Dodge Ram 1500 Laramie SLT extended cab pickup with a 5.9L that has a p0720 code. I replaced the output speed sensor a few months back but now the code is back. Do you think the new sensor has gone bad already? Are there 2 sensors on the transmission? Where would the other one be? Do I need to replace the one on the rear diff?
Thanks |
Only one speed sensor on the trans for you.
If the sensor is still under warranty, try swapping it out. |
Did you clear the PCM when you did it ? Just want to make sure it's not just a stored code . If you did not , just disconnect the battery for 20-30 minutes and it's done . If the CEL reappears , maybe you did get a bum sensor . Brand ?
Only 2 sensors on the trans , nothing on the diff . 1 is the trans output sensor which feeds the speedo , the other is the trans speed sensor which feeds the PCM . Assuming you are 2wd , the sensor for that code is the farthest towards the rear of the two . I believe that's the one you replaced already . The second sensor will be approx 7-8" back from the trans basepan and have 2 wires coming from it (red/green IIRC) . It will be more on the bottom/side . That's a magnetic pick up sensor . They do get dirty . Just be prepared for some oil if you remove it to clean . |
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