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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (2.0L - DTCS P1E28 To P2123) >> DTC Troubleshooting >> P1E7D Cylinder 1 Injector Short >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
FUEL INJECTOR 1 HIGH SIDE CONTROL CIRCUIT SHORTED TO FUEL INJECTOR 1 LOW SIDE CONTROL CIRCUIT
FUEL INJECTOR 1
POWERTRAIN CONTROL MODULE (PCM)

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

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