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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 >> P0634-00 - Control Module Internal Temperature 1 Too High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
CONNECTIONS BETWEEN A/C COMPRESSOR AND COMPRESSOR RELAY
COMPRESSOR RELAY
COMPRESSOR RELAY WIRING
A/C COMPRESSOR

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