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Home >> Jeep >> 2009 >> Grand Cherokee Laredo, 3.0 M, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0675 To P2002 - Diesel >> P1200-Multiple Injector Failure Detected >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
INJECTOR QUANTITY ADJUSTMENT
CYLINDER FUEL QUANTITY CORRECTION
FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE
FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE
FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT SHORTED TO GROUND
FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT SHORTED TO GROUND
FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT SHORTED TO FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT
FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FUEL INJECTOR(S)
ENGINE CONTROL MODULE (ECM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure