P1001 Chevrolet Evaporative Emission Canister Purge Valve Low Output

Possible causes

– Faulty EVAP canister purge valve
– EVAP canister purge valve harness circuit open or shorted
– EVAP canister purge valve electrical connection

What about the obd code?

The P1001 Chevrolet code is triggered when the ECM has detected an open circuit or short to ground on the EVAP canister purge valve.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1001 Chevrolet Description

The Engine Control Module (ECM) monitors the Evaporative Emission (EVAP) canister purge valve for open or short circuit.