PIE0636

Subject:
Engineering Information - Malfunction Indicator Lamp (MIL) Illuminated On Driver Information Center (DIC), DTCs
P18E9, P18EA and/or P18EB 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 PIE and proceed with diagnostics found in published
service information. THIS IS NOT A RECALL refer to Service Bulletin 04-00-89-053 for more details on the use of
Engineering Information bulletins.
Brand:
Buick
Model:
Model Year:
Envision
VIN:
from
to
from
to
2021
2021
-
-
Engine:
Transmission:
-
-
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 the Malfunction Indicator Lamp (MIL) illuminated.
Technicians may find the following DTCs set.
•
P18E9 - Transmission Range Selector Switch and Switch 2 and Switch 3 Stuck On
•
P18EA - Transmission Range Selector Switch 4-5-6 Stuck On
•
P18EB - Transmission Range Selector Switch 7-8-9 Stuck On
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, perform the following steps and contact the engineers listed below with your findings
1.
Ask the driver if they have pulled or pushed one of the shifter buttons for an extended period of time.
2.
Check for any sticky substances around the shifter area.
3.
Ask the driver if any sticky substances had been spilled on the shifter.
Contact Information
The Contact Information has been redacted.
Please include the following information if leaving a message:
–
Technician name
–
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
1
Labor Time
1086408*
Engineering Information - Malfunction Indicator Lamp Illuminated (MIL), Multiple
DTCs Set
* This is a unique labor operation for bulletin use only.
Version
1
Modified
Released May 10, 2021
2
0.3 hr