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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Battery Pack Control Module (BPCM) - DTCS P0B3C-00 To P0CD8-00) >> DTC Troubleshooting >> P0C77-00-HV Battery System PRECHARGE Time Too Short >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
HV CABLES NOT PROPERLY CONNECTED TO BATTERY PACK
VEHICLE HIGH VOLTAGE CABLE DISCONNECTED (SEVERED)
SHORTED HV COMPONENT
BATTERY PACK CONTROL MODULE (BPCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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