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code 46. what causes this??

Boy21

Veteran
Joined
Nov 24, 2013
Messages
37
Location
Alaska
Country
USA
Snowmobile
2008 Phazer MTX
11,500 miles
Last night on my way home, I rode with the wind at my back on icy trails. NOTE: GRIP AND THUMB WARMER WAS SET TO MAXIMUM HEAT AND RADIATOR FAN WOULD COME ON WHEN THERE WAS NO SNOW. With no wind going through my radiator, the sled overheated and I shut her down. After cooling off I took off again, 15 min later code 46 appears. I did not stop until the sled overheated again on a long stretch of icy trails. Turned the key to get going again, but the battery was too weak to start the sled. After I switched out the battery to a fully charged one, it started right up and I drove it home.

Has anyone had this code before and what was the cause of it?

Since the grip and thumb warmers were up all the way and the radiator fan was blowing, I am wondering if there was too much power output to keep the battery charged...??? What are your inputs?

:rocks:
 

What year is your Phazer? If it's an '07, check the ground block for melting. There is a bulletin on this. Also check the ground wire plug going to the battery. Weird stuff happens when there is a bad or missing ground. Fuses should also be checked.

If all that checks out, check the voltage when it's running at the battery. Before starting, it should be 12-13V. After starting, it should go up 14V or so (at least higher than before your started with). Turn on stuff and see if it holds. The ECU throttles down the power to the hand warmers while idling and turns them off when the fan turns on.

If your voltage just stays low, then you're looking at a possibly bad voltage regulator or stator. Download a copy of the repair manual as it has test procedures for both.
 
Ok so after putting in the other battery I read 13.0v. after riding for about 15-25 min with heaters up all the way, I shut it down and voltage was at around 12.8. Went for a ride again for another 30 min voltage down to 12.5

I will be checking wires and fuses, and check the regulator. thanks Mooseman for the input.
 
It is a 2008 phazer mtx. 9700mi.
 
Could have been a bad battery if you're not getting anymore codes and voltage seems to be staying up above 12V now. You should check the voltage output while running. Manual says to check voltage at 5000 rpm. Obviously you'll have to lift the track to do this.

FYI, I haven't heard of any failures of the voltage regulator not the stator but anything is possible. My bet is a bad battery.
 
burnt stator. replacement on the way.
 
I'm curious as to how did you come to this conclusion? Haven't heard of any of these failing before.
 
I did some testing with the multimeter before I tore into it.

According to the manual...in the electrical chapter-charging system-and A.C. Magneto
---Battery more than 12v at 68F. 12.8v on mine.
---Charging voltage 14v/5000rpm. At 5000rpm It should 12.8v and the voltage slowly climbed and stayed at 13.6v. I also tested another phazer in good condition and his jumped right up to 13.9v just at idle 2000rpm.
---Check main fuse. Good.
---Stator coil resistance 0.22-0.26 ohms (White-White). This is where I got puzzled, showing 0.6 ohms.
---(White-ground) 0.L on multimeter. I got 0.00

Tore into the machine, drained all the fluids. Pulled out my stator and sure enough it was burnt up.
I will repeat the tests with the new stator in place and see how they compare.
 
the stator
 

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Thanks for the info. Good to know and for anyone else having similar issues.

I'm puzzled that it did burn up because I just noticed that you have HID's, which significantly reduced the power load (2x35w instead 2x55w). Wondering if something else is sucking juice, like a shorted battery.
 
yes it could be the battery overheating and sucking the juice. I have a 12cell ballistic performance LiFe battery. Max operating temp 140F. Not sure what the specs are on the standard battery. I was running the machine HOT pushing it to the limits at the time when code 46 appeared (low voltage). Hand warmer MAX, thumb warmer MAX, Radiator fan, no snow, HAULING 700lbs(give or take) of cargo. I may also be shorting out at the grip warmers I have had bad wires on there due to rubbing which I had to repair. i check that out again.
 


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