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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L (GPEC 2A) - DTCS P1D83 To P2101 >> DTC Troubleshooting >> P1E28-EGR 1 High Side Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
EGR VALVE MOTOR (+) CONTROL 1 CIRCUIT SHORTED TO BATTERY VOLTAGE
EGR VALVE MOTOR (+) CONTROL 1 CIRCUIT SHORTED TO THE EGR VALVE CONTROL 2 CIRCUIT
EXHAUST GAS RECIRCULATION (EGR) VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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