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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (3.0L Diesel - DTCS P0627-00 To P1692-00) >> DTC Troubleshooting >> P1690-00-REDUCTANT Injection Valve Circuit Low - Positive Side >> Set Condition

Set Condition

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The PCM detects that the Diesel Exhaust Fluid (DEF) Injector Positive circuit voltage is below a calibrated threshold for 2.0 seconds. This is a two Trip Fault.