Nissan Electrical Diagnostics
Nissan uses a Body Control Module (BCM), a CAN gateway, and Consult diagnostics. Common faults include BCM body and locking issues, intelligent-key and immobiliser faults, and charging warnings. Higher-spec models carry additional ADAS and infotainment systems.
Nissan Control Modules & Electronics
Key modules and electronic systems used across Nissan vehicles. Correct identification of the module is the first step in proper diagnosis.
BCM — Body Control Module
Central body electronics.
CAN Gateway
Network communication.
Engine / Transmission ECU
Powertrain management.
Intelligent Key / Immobiliser
Keyless and security.
ADAS
ProPILOT driver assistance.
Common Nissan Electrical Faults
Faults we frequently see on Nissan 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 GUIDENissan Models We Cover
Nissan Electrical Fault?.
Tell us about your Nissan, the symptoms and any warning messages. OBD_PAL diagnoses the complete system before recommending any repair — don't guess, diagnose it properly.