Alfa Romeo Electrical Diagnostics
Alfa Romeo uses Stellantis/FCA electronics — body computer, gateway, and MES diagnostics — with additional performance chassis and infotainment systems. Common faults include body-computer issues, key/immobiliser faults, and chassis/ADAS warnings on higher-spec models.
Alfa Romeo Control Modules & Electronics
Key modules and electronic systems used across Alfa Romeo vehicles. Correct identification of the module is the first step in proper diagnosis.
Body Computer
Central body electronics.
Gateway
Network communication.
Engine ECU
Engine management.
Infotainment
Uconnect system.
Common Alfa Romeo Electrical Faults
Faults we frequently see on Alfa Romeo vehicles. Each links to a detailed, all-makes guide covering symptoms, causes and our diagnostic approach.
Body Control Module (BCM) Faults
Central body electronics controlling locking, lighting, wipers and comfort.
READ GUIDEKey Not Detected
Vehicle doesn't recognise the key — won't start or unlock.
READ GUIDEABS Warning Light
ABS warning on — stability and braking-system fault.
READ GUIDEBattery Warning Light & Vehicle Not Charging
Charging-system fault — battery warning or vehicle not charging.
READ GUIDEParking Assist Unavailable
Parking sensors or park assist not working.
READ GUIDEAirbag / SRS Warning Light
Airbag or SRS warning light on — restraint-system fault.
READ GUIDEElectric Power Steering Fault
EPS warning — steering assistance reduced or unavailable.
READ GUIDEAir Suspension Faults
Air-suspension warning — ride-height or compressor fault.
READ GUIDECAN Bus / Network Communication Faults
Network communication fault affecting multiple modules.
READ GUIDEAlfa Romeo Models We Cover
Alfa Romeo Electrical Fault?.
Tell us about your Alfa Romeo, the symptoms and any warning messages. OBD_PAL diagnoses the complete system before recommending any repair — don't guess, diagnose it properly.