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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (8HP75 Automatic Transmission - DTCS P0219-00 To P07B4-00) >> DTC Troubleshooting >> P0607-00-Ecu Internal Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
OPEN FUSE
LOW BATTERY VOLTAGE
ENGINE CHARGING SYSTEM
TCM FUSED B+ (BATTERY VOLTAGE) CIRCUIT OPEN OR HIGH RESISTANCE
TCM GROUND CIRCUIT OPEN OR HIGH RESISTANCE
TRANSMISSION CONTROL MODULE (TCM) ASSEMBLY

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