PIE0455

Subject:
Engineering Information – Malfunction Indicator Lamp (MIL) Illuminated with DTC P0446 Set
Attention:
Proceed with this EI ONLY if the customer has commented about this concern AND the PIE
number is listed in the Global Warranty Management / Investigate History link (GWM/IVH). If the
customer has not commented about this condition or the EI does not show in GWM/IVH,
disregard the PI and proceed with diagnostics found in published service information. THIS IS
NOT A RECALL — refer to the latest version of Service Bulletin 04-00-89-053 for more details on
the use of Engineering Information bulletins.
Brand:
Chevrolet
Model:
Cruze
Model Year:
VIN:
from
to
2016
2018
from
Engine:
Transmission:
1.4L (LE2
All
to
)
Involved Region or Country
North America
Condition
Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this
EI.
Some customers may comment on a malfunction indicator lamp (MIL) illuminated.
During diagnosis a technician may find DTC P0446 (Evaporative Emission (EVAP) Vent System
Performance) set in the ECM (Engine Control Module).
GM Engineering is attempting to determine the root cause of the above condition. Engineering has a
need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result,
this information will be used to "root cause" the customer's concern and develop/validate a field fix.
Cause
Correction
If you encounter a vehicle with the above concern, complete the following steps:
1.
Disconnect the fresh air line from the evaporative emission canister quick connect connection. Refer to Evaporative Emission Canister
Replacement in SI.
2.
Drain any water or remove any ice and note down the quantity of water/ice in the line and condition of contaminant (Clear/dirty).
3.
Verify if the wheelhouse liner clips are present or not.
4.
Remove the wheel and wheelhouse liner and inspect the vent filter for any water/snow/slush. Refer to the proper Wheelhouse Liner
Replacement procedure in SI.
5.
Inspect the pre filter for any water/moisture.
6.
Contact one of the engineers listed below with findings.
Contact Information
Engineer Name
Phone Number
Sukhjit Singh
(586) 480-5196
Gabriel O Becerra
(248) 838-8738
Please include the following information if leaving a message:
–
Technician name
1
–
Dealer name and phone number
–
Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information found in SI.
Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation
Description
Labor Time
4086148*
Engineering Information – Malfunction Indicator Lamp Illuminated with
DTC P0446 Set
0.7 hr
*This is a unique Labor Operation for Bulletin use only.
Version
1
Modified
Released March 01, 2018
2