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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (5.7L - DTCS B1F08 To P0131) >> DTC Troubleshooting >> P0108-Manifold Absolute Pressure Sensor Circuit High >> Possible Causes

Possible Causes

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Possible Causes
MAP SIGNAL CIRCUIT SHORTED TO VOLTAGE
MAP SIGNAL CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
MAP SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
MAP SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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