P0446-Charcoal Canister Shutoff Valve: Notes

Fig 1: Charcoal Canister Shutoff Valve Circuit Schematic

Courtesy of CHRYSLER LLC

When Monitored : The ignition on or engine running. Battery voltage greater than 10 volts.
Set Condition : An improper voltage level has been detected on the Charcoal Canister Shutoff Valve Control circuit.

Possible Causes
FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN
CHARCOAL CANISTER SHUTOFF VALVE CONTROL CIRCUIT SHORT TO GROUND
CHARCOAL CANISTER SHUTOFF VALVE CONTROL CIRCUIT OPEN
CHARCOAL CANISTER SHUTOFF VALVE CONTROL CIRCUIT SHORT TO VOLTAGE
CHARCOAL CANISTER SHUTOFF VALVE
POWERTRAIN CONTROL MODULE

For a complete Powertrain Control Module Circuit Diagram, refer to SCHEMATICS AND DIAGRAMS .