indicates that the vehicle's computer has detected a fault in the charging, starting, or control network . This alert should not be ignored, as it often precedes a battery drain or a sudden engine shutdown. Common Causes
Headlights dim or flicker, a whining noise from the engine bay, or a burning electrical smell. electrical system service required mitsubishi pajero sport
Purchase a "grounding kit" (e.g., from Ultra Racing or make your own using 4-gauge wire). Add an extra ground from the alternator bracket to the chassis. This stabilizes voltage for the ECU. indicates that the vehicle's computer has detected a
You didn’t reset the BMS. The old battery’s degradation data is still stored in the ECU. Perform the manual reset above. Purchase a "grounding kit" (e
If you own a first-generation Pajero Sport (or early second-gen), this is the number one culprit. Mitsubishi used a plastic-tipped brake light switch that wears down over time. When it fails, the ECU loses a critical signal. Because the brake system interacts with the traction control, ABS, and cruise control, the ECU panics and throws the "Electrical System Service Required" message.