03rpwsilverado Posted December 27, 2018 Report Share Posted December 27, 2018 I have an 03 Silverado with a Pioneer SPH DA120, i have 3 sets of components and four 8" subs under the backseat. Recently i've been having a problem where my head unit will randomly drop down the volume and I wont be able to change it. I know its a problem with my headunit because it is killing the volume to my two mids and highs amps and my bass amp all at the same time. Also, it cant be my rca's because I have 4 channel rca's for my mids and highs amps and a separate set of rca's for my bass amp and I dont think there would be a problem with all my rcas at one time. Also the volume indicator on the screen of the headunit gets stuck. All of my power and ground wires for my amps are solid. I was wondering if anyone else has had a problem like this? The only two possible causes I can think of off of the top of my head are 1. my head unit is a POS and 2. the old factory speaker wires that arent used anymore but are still hooked up to the headunit wiring harness are grounding out somewhere and making the head unit go into "limp mode"? Link to comment Share on other sites More sharing options...
CrackFactory Posted December 27, 2018 Report Share Posted December 27, 2018 Do you have steering wheel controls? Ive seen those do some weird stuff when they go bad. Link to comment Share on other sites More sharing options...
03rpwsilverado Posted December 27, 2018 Author Report Share Posted December 27, 2018 No I don't have steering wheel controls. Link to comment Share on other sites More sharing options...
XSVTOYZ Posted December 27, 2018 Report Share Posted December 27, 2018 well both my head units had firm ware updates pioneer nex5000 and my girls kenwood ignored em till I had issues for me it was like a reboot as it rewrote and re initialized the units might go to oem web site and see it may be getting hot newer double dins have fans on the back check and see if its clogged or getting too hot? cant think of anything else useful keep us posted Link to comment Share on other sites More sharing options...
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