Touring Models Road King, Road King Custom, Road King Classic, Road Glide, Street Glide, Electra Glide, Electra Glide Classic, and Electra Glide Ultra Classic bikes.
Sponsored by:
Sponsored by:

PC3 device error 39 and stalling

Thread Tools
 
Search this Thread
 
Old Jan 2, 2010 | 09:24 AM
  #1  
Molzy's Avatar
Molzy
Thread Starter
|
Intermediate
Joined: Nov 2009
Posts: 32
Likes: 0
From: Erlanger, KY
Question PC3 device error 39 and stalling

My new pc3 runs my 08 FLHTCU well except for warm idle, the fuel bar goes from lean to near mid rich in a "blip", backfires out the aircleaner and quits. The pc3 then shows an error code 39.

I've checked the connections, bent (adjusted) the grounding pin, set the closed throttle position, reset the pc3, reloaded the map, added 5 fuel at a 1000 rpms.

The only improvement gained throughout the troubleshooting process is since I set the closed throttle position she'll idle for about 3-4 minutes warm before stalling, prior it would only run idle 1-2 minutes warm before stalling.

Any ideas on what to try next????
 
Reply
Old Jan 2, 2010 | 11:39 AM
  #2  
dirtdobber's Avatar
dirtdobber
Elite HDF Member
Joined: Jul 2007
Posts: 4,749
Likes: 16
From: sand mountain Alabama
Default

If you got it from fuelmoto just give em a call.
 
Reply
Old Jan 3, 2010 | 11:36 AM
  #3  
Molzy's Avatar
Molzy
Thread Starter
|
Intermediate
Joined: Nov 2009
Posts: 32
Likes: 0
From: Erlanger, KY
Cool Diagnostic Codes, PC3, progress maybe?

So I checked for codes and sure enough I have P0373, P0374, both are crank position sensor related and a C1095(abs I think).

Since the PC3usb device error 39 is a CKPS error I think I am getting somewhere. I am really puzzled as to how my 08FLHTCU with 1400 miles has a bad CKPS already.

Only other thing I can think of was that I had the 1000-1500 idle problem new and had to use the ignition method to reset it, they never reflashed the ECM for it.

So if you guys agree I gather the next step would be a new CKPS from HD and have them flash the ECM??

Can a PC3 CAUSE codes?

Thanks,

Molzy
 

Last edited by Molzy; Jan 3, 2010 at 12:28 PM.
Reply
Old Jan 3, 2010 | 12:14 PM
  #4  
user 8373900's Avatar
user 8373900
Banned
Joined: Apr 2008
Posts: 2,492
Likes: 10
Default

Did you possibly damage your crank sensor with a filter wrench?

Mark
 
Reply
Old Jan 3, 2010 | 12:27 PM
  #5  
Molzy's Avatar
Molzy
Thread Starter
|
Intermediate
Joined: Nov 2009
Posts: 32
Likes: 0
From: Erlanger, KY
Default

Originally Posted by ONEDOWNAND5UP
Did you possibly damage your crank sensor with a filter wrench?

Mark
Thanks Mark,

Not me, haven't been down there, HD did the 1K. I did the stage 1, pipes, and pc3.

What really has me puzzled is the bike idles fine on the stock ecm. I just don't see how the stock ecm could handle CKPS errors without even a hiccup and with the pc3 on she stalls at warm idle every time.

I suspect this is a pc3 issue only.

Needless to say after 6 weeks of jacking around with this, but I will, I AM FREAKING PISSED!!!
 
Reply
Old Jan 3, 2010 | 12:27 PM
  #6  
iclick's Avatar
iclick
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
Default

Where did you buy the PC3? If from Fuel Moto you should've called them long before six weeks of problems.
 

Last edited by iclick; Jan 3, 2010 at 12:31 PM.
Reply
Old Jan 3, 2010 | 01:11 PM
  #7  
Molzy's Avatar
Molzy
Thread Starter
|
Intermediate
Joined: Nov 2009
Posts: 32
Likes: 0
From: Erlanger, KY
Default

No I didn't, got it from a HD shop. The first pc3 was bad from the box, wouldn't fire, dyno tested it, said it was bad and sent me a new one. It fired the bike but had the same warm idle problem I have now. DYNO told me it was a CKPS low voltage at the pc3, said send it back and cross shipped the 3rd PC3.

DYNO bench tested the 2nd PC3 found no errors and said it ran 2 of their bikes fine.

You know the trouble I am having now is the same as the 2nd, so I keep driving on to find the SOLUTION!

Spoke with DYNO and Jamie at FM, both were very nice but could only suggest the grounding pin needs to be bent(adjusted).

I didn't know about the forum or fuelmoto until I started this endeavor over Thanksgiving and had the trouble with the first PC3.

I've found several PC3 error 39 threads here but only ONE which offered a solution/resolution to the problem......frustrating.....anyhow the steps discussed in that ONE thread didn't help me or my ride.

I digress, so I am simply trying to appeal to the other 50 guys that had this device error 39 warm idle stall problem on an 08FL, or the guys that fixed this for someone else to see how they succeeded.
 
Reply
Old Jan 3, 2010 | 01:24 PM
  #8  
Faast Ed's Avatar
Faast Ed
Banned
Joined: Sep 2009
Posts: 7,580
Likes: 7
From: The Internet (& Dyer, Indiana)
Default

So if you guys agree I gather the next step would be a new CKPS from HD and have them flash the ECM??
I'd consider that. The sensor signal is weak to begin with, and adding the PC in series ain't gonna strengthen it any (may slightly weaken it more). I'd do the flash, reset your bike idle (like you did before), and check you PC zero throt position right after resetting your bike throttle. If all that fails, a PC might not be in the cards for you.

I never did like the concept of FBW. I know soooooo many who have had headaches with it.
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-1

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-2

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-3

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-4

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-5

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-6

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-7

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
story-8

Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

 Verdad Gallardo
story-9

The Best and Worst Harley-Davidson Moves of 2025

 Verdad Gallardo
Old Jan 3, 2010 | 03:12 PM
  #9  
Molzy's Avatar
Molzy
Thread Starter
|
Intermediate
Joined: Nov 2009
Posts: 32
Likes: 0
From: Erlanger, KY
Default

tried it all again except the flash as ofcourse I can't do that. no luck, guess the pciiiusb is out.

couldn't get it to throw any codes with the stock ecm or pciii hooked up even though the pciii software still shows error 39 when it dies.

plug and play my ***.

i wonder if a pcV will get it done or just **** me off too?
 
Reply
Old Jan 3, 2010 | 03:19 PM
  #10  
Faast Ed's Avatar
Faast Ed
Banned
Joined: Sep 2009
Posts: 7,580
Likes: 7
From: The Internet (& Dyer, Indiana)
Default

plug and play my ***.
I've had wonderful luck with them on my last two bikes.
I have a sert now for other reasons, but I did like the PC's when I had them.

I wouldn't give up on yours until I tried the flash and possibly the sensor.
I'm assuming you already did everything you could do with the connections.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Les Duncan
Sportster Models
22
Sep 25, 2023 12:26 AM
DDH
Ignition/Tuner/ECM/Fuel Injection
4
Apr 11, 2016 09:43 AM
AGWalker
General Harley Davidson Chat
2
Jun 15, 2014 12:12 PM
onaride63
Touring Models
9
Aug 3, 2010 03:14 PM
Molzy
Ignition/Tuner/ECM/Fuel Injection
0
Jan 1, 2010 10:44 AM




All times are GMT -5. The time now is 03:49 AM.

story-0
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-1
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-2
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-3
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-4
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-5
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-6
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-7
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE
story-8
Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

Slideshow: Graeme Billington's left-hand-drive Shovelhead is as much about problem-solving as it is about classic Harley form.

By Verdad Gallardo | 2025-12-30 11:27:08


VIEW MORE
story-9
The Best and Worst Harley-Davidson Moves of 2025

Slideshow: A clear-eyed look at what actually worked for Harley this year, and what quietly undermined its progress.

By Verdad Gallardo | 2025-12-29 17:10:48


VIEW MORE