I have a dd15 cascadia 564k miles. I have a scan gauge it will go blank and the spedometer tachometer drop a bit then it powers right back up. Normal gauge drops 10 15 mph. I have changed master power switch, ignition switch, pndb, starter. All battery nuts are tight.
It will do this on flat ground or going up a hill. No codes. Head lights stay on. It dies it a couple of times in 4 to 8 hours. Today it did it twice back to back. 15 seconds apart. I thought that was it. Then it ran good for another hour until I'm parked.
Is it the cpc 4 module?
14 cascadia loses gauges no codes
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 77fib77, Sep 26, 2022.
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its most likely you main fuse box that's under the glove box. I had the same issue with mine, gauges would die or they wouldn't sweep when you turned the key on sometimes.
LoneRanger Thanks this. -
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LoneRanger Thanks this.
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Check the fuse before you take it in. Could save you hours of diagnostics and money if its not needed.77fib77 Thanks this. -
Does it have the maxi-fuses located under cab below drivers door? Check for corrosion there as well. I don't recall what year they moved them, but something to look for.
77fib77 Thanks this. -
YardMule89 Thanks this.
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