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post #1 of 13 (permalink) Old 06-04-2013, 10:29 PM Thread Starter
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Diagnostic code p0562

2012 rgc. Just put a t-max a dragula and andrews 57h in over weekend ran well initially and the voltage is intermittently dropping and the the battery light and engine light came on and pulled code. The voltage comes and goes. Checked ground and it looks fine. T- max looks fine and like I said the battery light and engine light come and go. The voltage w t down to about 10.5 and then goes back up and then back down. This happens mostly when it is hot. Any ideas?
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post #2 of 13 (permalink) Old 06-04-2013, 11:00 PM
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The P0562 is a Low Voltage trouble code. Most likely a bad connection somewhere. Could be a loose or corroded cable either at the battery or other end of the cables. Start with checking for good connections at both ends of the cables and apply some dielectric grease to the connections. Also apply some of the grease to the T-MAX connections and any other connectors you may have messed with while doing the mods.

According to the Service Manual, Low Voltage generally indicates a loose wire, corroded connection, battery and/or charging system problem.

I would start with the cable ends and see what you come up with after clearing the codes. If you still throw the code you can then move on to checking the rest of the system.


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post #3 of 13 (permalink) Old 06-04-2013, 11:11 PM
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T-max doesn't want Dielectric grease on the ECM plug But putting it on the 02 sensor connection is OK. Did you have the Voltage regulator serviced according to the HD recall?


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post #4 of 13 (permalink) Old 06-04-2013, 11:17 PM Thread Starter
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Quote:
Originally Posted by Triplej View Post
The P0562 is a Low Voltage trouble code. Most likely a bad connection somewhere. Could be a loose or corroded cable either at the battery or other end of the cables. Start with checking for good connections at both ends of the cables and apply some dielectric grease to the connections. Also apply some of the grease to the T-MAX connections and any other connectors you may have messed with while doing the mods.

According to the Service Manual, Low Voltage generally indicates a loose wire, corroded connection, battery and/or charging system problem.

I would start with the cable ends and see what you come up with after clearing the codes. If you still throw the code you can then move on to checking the rest of the system.
Checked all the fittings and no issues. Ground and t max look good used dialectics grease for t max cleared codes and not sure what it could be could it be stator or regulator?
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post #5 of 13 (permalink) Old 06-04-2013, 11:18 PM Thread Starter
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T-max doesn't want Dielectric grease on the ECM plug But putting it on the 02 sensor connection is OK. Did you have the Voltage regulator serviced according to the HD recall?
Did the grease as you said but no I did not touch the regulator. Is there a recall?
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post #6 of 13 (permalink) Old 06-04-2013, 11:20 PM
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T-max doesn't want Dielectric grease on the ECM plug But putting it on the 02 sensor connection is OK. Did you have the Voltage regulator serviced according to the HD recall?
Thanks for that info on the T-max Mark, was unaware of that T-max fact on the grease. I wonder what their reasoning is.


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post #7 of 13 (permalink) Old 06-04-2013, 11:26 PM
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Did the grease as you said but no I did not touch the regulator. Is there a recall?
Here is a thread on the VR recall. You can go to the HD website and plug your VIN # in and see if your bike is affected.

https://www.roadglide.org/showthread....gulator+recall


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post #8 of 13 (permalink) Old 06-04-2013, 11:30 PM Thread Starter
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Thank you tripej
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post #9 of 13 (permalink) Old 06-04-2013, 11:34 PM
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2012 has a VR recall and if your bike already had it done there have been times when the VR will just go out even after a VR replacement.The dielectric grease application is in the T-Max instructions.


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post #10 of 13 (permalink) Old 06-04-2013, 11:36 PM Thread Starter
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2012 has a VR recall and if your bike already had it done there have been times when the VR will just go out even after a VR replacement.The dielectric grease application is in the T-Max instructions.
Thank you sir.
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