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Home >> Jeep >> 2007 >> Grand Cherokee Laredo, 3.0 M >> Repair and Diagnosis >> Engine Performance >> System >> Diesel - DTCS P0198 To P0276 >> P0237-Turbo Boost Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

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

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.