BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P0442
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
HomeP0442 · Manufacturer communications
P0442 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CHEVROLET
Reported code forms P0442
Emissions - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year Chevrolet Volt vehicles. The evaporative emissions pipe that connects to the inlet of the purge valve…
CHEVROLET
Reported code forms P0442
17197 01 - Service Update. Some vehicles may have contact between an evaporative emission pipe and air conditioning (A/C) hose. Over time, such contact may wear a hole into the pipe causing a malfunction indicator lamp…
CHEVROLET
Reported code forms P0442
17197 - Service Update. Some vehicles may have contact between an evaporative emission pipe and air conditioning (A/C) hose. Over time, such contact may wear a hole into the pipe causing a malfunction indicator lamp…
CHEVROLET
Reported code forms P0442
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0442 set. Technician will need to…
BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, ISUZU, OLDSMOBILE, PONTIAC, SAAB, SATURN
Reported code forms P0442
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician…
BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, ISUZU, OLDSMOBILE, PONTIAC, SAAB, SATURN
Reported code forms P0442
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician…