Speedometer working intermittently

[Nothingtoxic]

My speedometer is only working intermittently. 2007 Alphard. I know this topic has been brought up before but I am struggling to see the same thing that others have posted. I have removed the speedometer instrument cluster and this is what I see. I’m wondering if I’m looking in the wrong place or maybe there’s something here that might be an issue. Any help would be much appreciated. 

[Picasso]

Hello Thomas that red thing is your converter chip these are supposed to be soldered in I see yours are connected wire connectors that’s a big mistake by the person who fitted it if I was you get each wire connection checked could be a loose wire I also notice you got a wire cut and doing nothing have a look see if that’s come off somewhere also chip could be faulty 

[Nothingtoxic]

Thanks for your help. I’m not sure why there is a wire that has been cut, it must’ve been like that before I was having issues with the speedometer, I will ignore that for now! I guess I should focus on the converter as the connections seem secure. 

[Nothingtoxic]

On 7/25/2025 at 7:02 PM, Picasso said:

Hello Thomas that red thing is your converter chip these are supposed to be soldered in I see yours are connected wire connectors that’s a big mistake by the person who fitted it if I was you get each wire connection checked could be a loose wire I also notice you got a wire cut and doing nothing have a look see if that’s come off somewhere also chip could be faulty 

Hi Picasso, please could you help me out a bit further? I’ve checked the connections and, although they are not soldered, they all seem secure. Would you recommend replacing the chip and, if so, is it the CK-UN-09 that I should be purchasing? Many thanks 

[Picasso]

Yes it’s a ck un 09 chip became what you buy as there are cheap Chinese ones on eBay 

[Nothingtoxic]

Thank you 🙏