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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 948TE/9HP48 - DTCS P1D91-00 To P2802-00 >> DTC Troubleshooting >> P1DDE-00-Ignition Run/Start Input 1/2 Correlation >> Possible Causes

Possible Causes

Possible Causes
IGNITION OFF/RUN/START CONTROL OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
BODY CONTROL MODULE (BCM)
TRANSMISSION CONTROL MODULE (TCM)

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