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2015 Road King Sudden Failure To Start

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Old Jun 1, 2022 | 03:05 PM
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Default 2015 Road King Sudden Failure To Start

Hello everyone, almost 50k on this bike, never had a starting issue until today. Gave it a good wash then went for a ride. Check engine light came on. Codes ECM PO154, PO562, speedometer 61210 and 61211. 3 had to do with low voltage and 1 related to an O2 sensor. I thought that if I possibly could have knocked something loose as I was washing it and I did find a connection at the O2 sensor that was loose. Secured the wire. I also had the battery checked, tested good. 12.4 v and 11v under load. It turns over once or twice then a stuttering series of clicks. All battery connections are clean and tight. Checked the fuses. I'm a little suspicious that it happened just after I washed it. Any advice on what to do next would be appreciated.
 
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Old Jun 1, 2022 | 03:56 PM
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Funniest thing...just after posting this thread, the bike fired up and ran like always. Rode about 10 miles, no check engine light yet. Guess we'll see...
 
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Old Jun 1, 2022 | 05:08 PM
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how old is the battery. past weekend took my bike off the tender turned over 2 times then it started clicking. checked voltage...12.4. checked voltage while cranking and it was 10 something. I had a new battery on the charger..installed it and all good. battery was a little over 3 years old. granted I'm pulling 2000 watts when I crank up the radio when parking lot pimping so I knew it was on borrowed time. if yours is old I see a new one in your future.
 
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Old Jun 1, 2022 | 05:16 PM
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When you washed your bike, did you by chance use a high pressure washer and point the wand directly at any of the connectors and sensors on the bike? High pressure washers shouldn't be used because there's always a risk of water can be forced into places it shouldn't be.

If you used a high pressure washer, then water incursion could have been your problem. If not.. It was my best guess

 
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Old Jun 2, 2022 | 07:54 AM
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Originally Posted by jwt873
When you washed your bike, did you by chance use a high pressure washer and point the wand directly at any of the connectors and sensors on the bike? High pressure washers shouldn't be used because there's always a risk of water can be forced into places it shouldn't be.

If you used a high pressure washer, then water incursion could have been your problem. If not.. It was my best guess
A high pressure BLOWER can send water droplets into bad places too. Don't use one anywhere near your INFOTAINMENT and other gauges. Just something to consider.
 
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