DTC P0440 Or DTC P0442: Notes
Code Definition
- DTC P0440: EVAP System Malfunction
- DTC P0442: EVAP Leak Detected (Small Leak)
CAUTION:
If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction. If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, See COMPUTER RELEARN PROCEDURES - IMPORT
article in GENERAL INFORMATION.