U2021 JEEP Invalid /fault data received (Non SCP)

U2021 JEEP Invalid /fault data received (Non SCP)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

JEEP Vehicle:JEEP Commander,JEEP Compass,JEEP Grand Cherokee,JEEP Liberty,JEEP Patriot,JEEP Wrangler,JEEP Wrangler Unlimited,