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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (2.9L Pcm 2 - DTCS P0277-00 To P0686-00) >> DTC Troubleshooting >> P031D-00-Ignition D Control Signal Circuit-Open >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
COIL 4 COMMAND SIGNAL OPEN/HIGH RESISTANCE
IGNITION CONTROL MODULE
POWERTRAIN CONTROL MODULE 2 (PCM-2)

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

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