What Does This Indicator Mean? The Acura Yellow Hybrid Battery Malfunction Warning Light is a specialized diagnostic indicator that illuminates when the Powertrain Control Module (PCM) or the Hybrid Control Unit (HCU) detects an operational anomaly within the high-voltage (HV) lithium-ion or nickel-metal hydride battery pack. Unlike a standard 12-volt starting battery, Acura’s hybrid architecture […]
Archives: Dashboard Lights
Acura Yellow Throttle Control Electronic Warning Light
What Does This Indicator Mean? The Acura Yellow Throttle Control Electronic Warning Light, frequently referred to in technical documentation as the Electronic Throttle Control (ETC) or “Lightning Bolt” icon, signifies a fault within your Acura vehicle’s drive-by-wire throttle system. Unlike older mechanical linkages governed by a physical steel cable, modern Acura models utilize a sophisticated […]