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Home >> Jeep >> 2007 >> Grand Cherokee Laredo, 3.0 M >> Repair and Diagnosis >> Engine Performance >> System >> Diesel - DTCS P0198 To P0276 >> P0238-Turbo Boost Pressure Sensor Circuit High >> Possible Causes

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K356) BOOST PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K37) BOOST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K656) BOOST PRESSURE SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE
(K37) BOOST PRESSURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K656) BOOST PRESSURE SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
BOOST PRESSURE SENSOR
ENGINE CONTROL MODULE (ECM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.