combination meter repair - DIY

Robert Golden · Apr 12, 2026

Ultanium said: ↑

I purchased a 2006 Prius, that has the dreaded dark dash, and the warranty was never completed to replace it. In searching this forum, and all over the net, I cannot find any specific details about what the problem is exactly, in order to fix it myself. PC member pEEF has erased nearly every post he made, concerning the issue, and has stopped doing the $75 repair, that he says is "electro-mechanical". Another interesting forum post claims that there was a change from lead based solder for ROHS specs, during the mid 2000's, and that is the issue. Yet another, says it is bad caps, which anyone can purchase for a couple bucks from Mouser, and put in themselves. Why is there such secrecy involving this repair? We have plenty of details on repairing the MFD, but not one detailed post on the CM? So here, in this thread, I will detail my experience in trying to fix my own CM, and welcome any input from others that have also tried. If I fail, I will send the darn thing off, and at least have some before and after pictures, to see what they fixed, and share it with everyone.

Tj
Click to expand...

I replaced a capacitor on the back of the circuit board as per YouTube videos and the problem went away. The soldering was easier by far than taking the dash apart. Took me 2 days total.

Dennis Brown · Jul 10, 2026 at 12:25 PM

For the vast number of people, that one 16 v 100 uF cap is the problem causing the dash to go dark. As others posted here, Digikey has a better cap (16 v 220 uF that fits exactly.) Follow Youtube people on both the dash break down/assembly and cap repair.

combination meter repair - DIY

Robert Golden New Member

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combination meter repair - DIY

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