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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Hybrid Control Processor Module (HCP) - DTCS B1271-00 To P05D3-00) >> DTC Troubleshooting >> B12B4-00 Charge Status Indicator Module Internal >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The Power Inverter Module (PIM) controls many functions of the HV charging and eMotor operations. The Hybrid Control Processor (HCP) is internal to the PIM. The HCP monitors HV charging, eMotors, cooling temperatures, cooling pumps, and other HV functions.

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