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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (3.0L Diesel - DTCS P24F3-00 To U3017-00) >> DTC Troubleshooting >> U02A5-00-Lost Communication With REDUCTANT Heater Control Module >> When Monitored

When Monitored

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With the ignition on. During DEF system actuation.