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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (8P75PH Automatic Transmission - DTCS P1C6E-00 To P2880-00) >> DTC Troubleshooting >> P1DDE-00 Ignition Run / Start Input 1/2 Correlation >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
HIGH SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
HIGH SIDE CONTROL CIRCUIT SHORTED TO GROUND
IGNITION OFF/RUN/START CONTROL OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
POWERTRAIN CONTROL MODULE (PCM)
TRANSMISSION CONTROL MODULE (TCM)

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