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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Transmission Control Module (TCM) - DTCS P1B14-00 To U1477-00) >> DTC Troubleshooting >> P1DDE-00 - Ignition/Run Start Input 1/2 Correlation >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
IGNITION/OFF/RUN/START CONTROL OUTPUT CIRCUIT OPEN
IGNITION/OFF/RUN/START CONTROL OUTPUT CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE (BCM) DTCS SET
CAN DTCS SET

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

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