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Showing results for tags 'Circuit'.
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I lost all power going about 45 mph Last night after I let off the gas to make a slight right curve and when I pressed the gas again. My gauges reset and there was a message on the cluster screen that said “SHIFT TO NEUTRAL AND PRESS START AGAIN” (it may or may not have said “AGAIN”). I pulled over and while still in Drive with the brake pressed, I pushed Start/Stop and the entire vehicle reset. The ignition clicked nonstop for awhile but the engine did not turn over. While waiting for AAA, I disconnected my Pulsar LT and tried to start it, but got the same nonstop clicking. I scanned it and got a code reading: “P16A7: Engine Controls Ignition Relay Feedback Circuit 2”. ANY and ALL feedback is welcomed. 2019 (late/new model) GMC Sierra SLT 5.3L Crew Cab Short Bed ~115k mi if that matters. -
My 2016 Sierra 2500HD has 176,000 miles on it already and recently started eating parts. The latest part to fail was the reductant tank heater (DEF Heater). Upon cold start the check engine light came on with code P21DD. After a little reading I learned that this can result in “Limp Mode”. I was in the middle of nowhere in Northern Wyoming. Not cool! I drove down to Denver and replaced it that week. I shot this video of the repair.....