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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (3.0L Diesel - DTCS P1693-00 To P2200-00) >> DTC Troubleshooting >> P20BC-00-REDUCTANT Suction Line Heater Control Circuit High >> When Monitored

When Monitored

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With the ignition, engine running, and the Selective Catalytic Reduction (SCR) system activated.