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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (2.0L - DTCS P0003 To P0033) >> DTC Troubleshooting >> P0033 Turbocharger/Supercharger Surge Valve Control Circuit >> 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
ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
TURBOCHARGER SURGE VALVE CONTROL CIRCUIT OPEN/HIGH RESISTANCE
TURBOCHARGER SURGE VALVE
POWERTRAIN CONTROL MODULE (PCM)

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