August 25, 2020
THE FIX OF THE WEEK AUGUST 25TH, 2020
Every week, we review new fixes submitted by our Direct-Hit users and pick our favorite “Fix of The Week.” These are confirmed, experience-based fixes directly from technicians and shops. You can find this and more than 3.5 million other confirmed fixes in Direct-Hit with a 14-day free trial. This week, our favorite fix is for a 2016 Chevrolet Silverado that will not start, has no crank and the cluster goes black.
2016 Chevrolet Silverado
The vehicle will not start, has no crank function, and the cluster goes black while in the crank position. The DTC’s are as follows: P00C7, P0106, P0192, P0193, P0341, P0641, P2227, P2228, and P2230.
By using the scan tool, I looked at the 5-volt reference 1 reading. This is the 5-volt circuit that is common to all of the sensor faults listed. If it’s reading low or 0 volts, unplug the sensors one at a time called out by faults. I started with the fuel-tank, fuel-line, and fuel-rail pressure sensors, the multi-function intake air sensor, and the a/c pressure sensor. Then I watched the voltage on the scan tool as the sensors were unplugged. Once the voltage goes up to 5-volts, the faulty sensor is successfully identified.
Use the scan tool to find the faulty a/c pressure sensor.
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