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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (2.0L - DTCS P288A To U0074) >> DTC Troubleshooting >> P2AB8 WASTEGATE Position Sensor "A" Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
5-VOLT SUPPLY CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
WASTEGATE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
WASTEGATE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
WASTEGATE POSITION SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
WASTEGATE SOLENOID/TURBOCHARGER ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to:  2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .