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P0430 Diagnostic Trouble Code Discussion for June 2023

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2018 Jeep Wrangler JK Unlimited Rubicon 3.6L MIL Lamp on, Delay upshift VIN: 1C4HJWEG4J
P0430: Catalyst below threshold bank 2. Truck ran fantastic up until recently, maybe a couple weeks, where the shifting is delayed going into the next gear. Truck performs well under all loads, and seems hard to trick the transmission into upshifting (let off throttle, accel hard or soft etc). 1...
June 06, 2023