What are codes C1236 P0401 and P2106 on 2004 Lincoln ls?

The code C1236 on a 2004 Lincoln LS indicates a problem with the vehicle's anti-lock brake system (ABS), often related to a malfunction in the wheel speed sensor or wiring. The P0401 code signifies an insufficient flow in the exhaust gas recirculation (EGR) system, which can affect engine performance and emissions. The P2106 code indicates a throttle actuator control system issue, typically related to the throttle position sensor or wiring problems. Addressing these codes often involves inspecting and potentially repairing the associated sensors and electrical connections.