WebOBD2 Code P0419 Buick definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk … WebApr 18, 2024 · Code P0418 Audi Description. An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module grounds the Air pump relay control circuit which energizes the Air pump.The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum control solenoid. …
P0418 Buick Code - Secondary Air Injection Pump Relay …
WebIn order to accurately diagnose a code P0418, a diagnostic scanner, a digital volt/ohmmeter (DVOM), and a reliable vehicle information source (like All Data DIY) … Web What Does the P0418 Buick Code Mean? The Powertrain Control Module ( PCM ) controls the relay by grounding the control circuit via an internal switch called a driver. The primary function of the driver is to supply the ground for the controlled component. sanowell 89010
P0418 OBD-II Trouble Code: Secondary Air Injection System
WebJun 29, 2024 · Code P0418 Toyota Description An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module ( PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum … WebApr 18, 2024 · Code P0418 Description An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module ( PCM ) grounds the Air … WebCheck engine light for p0411, p0418, p1516, p2430, and p2440. I have replaced the secondary air pump and throttle body. Ask an Expert Car Questions Buick Repair Chris (aka- Moose), Buick Technician 78,689 Satisfied Customers 24 years of experience diagnosing & repairing Chris (aka- Moose) is online now Continue Related Buick Questions sano wellness center