Intermittent AC compressor engagement on a 2014 Ram 2500, where the system works fine after initial startup but fails to engage when first turned on, leaving the driver unable to determine whether the relay, compressor, or clutch is at fault.

Workarounds Described

• turning AC on and off repeatedly to try to trigger compressor engagement
• turning engine off and on to reset the system
• driving down the road hoping the issue fixes itself

Implied Software Gaps

• Multi-cycle diagnostic logging tool that captures intermittent electrical failures
• Automated fault pattern recognition for intermittent AC compressor engagement
• Root-cause analysis for relay, compressor, or clutch failure differentiation

DiagFlow Intermittent Fault Finder

A mobile app that plugs into the vehicle's OBD-II port and logs real-time data from the AC system (compressor current, clutch voltage, relay state, refrigerant pressure) over multiple drive cycles. It identifies patterns preceding the failure and pinpoints whether the relay, compressor, or clutch is the culprit, eliminating guesswork and repeat shop visits.

Existing Solutions Mentioned