CUSTOMER CONCERN The check engine light is on with DTC P0448 stored. CAUSE Command testing of the EVAP vent valve and its external filter confirmed that the canister vent-control valve was stuck closed. CORRECTION Remove and replace the EVAP canister vent-control valve.

CUSTOMER CONCERN Customer states the check-engine light is on and engine idle speed is too high. DTC P0507 is stored. CAUSE Idle-speed testing confirmed the idle-air volume adaptation was not completing, leaving engine speed more than 200 rpm above the target value. CORRECTION Perform accelerator-pedal released-position learning, throttle-valve closed-position learning and idle-air volume learning. Clear DTC P0507 and verify normal idle speed.

CUSTOMER CONCERN Customer states the vehicle does not power up or start when the push-button ignition switch is pressed, although remote-key functions still operate. CAUSE BCM steering-lock status testing confirmed the electronic steering column lock failed to report the required unlock state and authorize ignition power-up. CORRECTION Remove and replace electronic steering column lock unit. Complete required steering-lock registration and verify push-button starting operatio

CUSTOMER CONCERN Customer states the malfunction indicator light is on with DTCs P0A93 and P0AC4, and the vehicle will not complete its emissions test. CAUSE The inverter cooling reservoir was empty, and inspection confirmed coolant leaking from an inverter cooling-system hose. CORRECTION Repair leaking inverter cooling-system hose. Refill and bleed inverter cooling circuit, clear DTCs P0A93 and P0AC4 and verify coolant circulation.