Erratic oil pressure readings due to PCM software issue on Dodge Ram Van 2500

Problem Description and Possible Solution
Intermittent erratic oil pressure readings may be caused by a PCM software issue. There is revised software available to correct this condition.
Problem Data
RepairPal Verified
Average mileage: 119,000 (119,000–119,000)
Engine affected: 5.2L V8
1 model year affected: 2002
2 people reported this problem
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It started with the "check gauges" light coming on with an alert sound & only the oil gauge dropping instantly from normal operating pressure to 0 & then would return anywhere from instantly or after a few seconds. This would only happen as I....
1). Was coming to a stop, after/as I put my brakes on
2). Decelerated on flat road
3). Any type of left turn
It's a 2002 Dodge Ram van 2500, 5.2 liter engine. 318 cu. in.