I have a 2004 Chevrolet SSR. When ever I try to load the horsepower tune. I get a ABS trouble code for motor no power. P0265. I can drive with the 87 economy tune year round. But if I change to horsepower tune. Trouble codes start. I have 2 grounds for the ABS beyond the Chevrolet Frame ground. The ...

I have had my Predator for many years. I changed the tune to Horsepower & DTC on both Engine & ABS. 17 in all. I had this problem a couple years ago. I normally only use 87 octane tune. I drove my SSR to a Saturday Cruise in. The ABS started blinking & sounding. When I turned off ignition. The noise ...