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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (2.0L - DTCS P040B To P0463) >> DTC Troubleshooting >> P0428 Catalyst Temperature Sensor Circuit High (Bank 1 Sensor 1) >> Default Action

Default Action

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.
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