This allows the spring tension to separate the relay armature contact from the relay load circuit contact which interrupts current flow to the supercharger charge air cooler coolant pump.
Charge air cooler coolant pump control circuit open.
The other is a chafed control wire that wore through the electrical connection causing an open circuit.
This system uses its own coolant pump that is electronically controlled by the engine computer.
Code p023a charge air cooler coolant pump control circuit open is active when there is an open circuit within the charge air cooler coolant pump and or its circuit.
Point being both mechanical and electrical faults are equally possible.
The pcm sets the obdii code when the charge air cooler coolant pump is out of factory specifications.
If the ecm detects an improper voltage on the pump relay control circuit this dtc sets.
The powertrain control module pcm monitors the charge air cooler coolant pump function.
Learn what charge air cooler coolant pump control circuit open means location and how to repair.
The supercharger has an integrated intercooler radiator with its own coolant system to reduce the temperature of the air being forced into the engine.