PIE0371A

Bulletin No.: PIE0371A
Date: Feb-2017
Subject:
Engineering Information – Check Engine Light, Delayed Shifts and/or Transmission Stuck in Gear with
DTC P0751, P0752, P0756, P0757, P0761 or P0762 Set
Models:
2016-2017 Chevrolet Silverado
2016-2017 GMC Sierra
Equipped with Allison A1000 Transmission (RPO MW7)
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.
This PI has been revised to add the 2017 Model year and update the Contact Information. Please discard PIE0371.
Condition
Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.
Some customers may comment of a Check Engine Light, delayed shifts and/or the transmission stuck in gear. One or more of the following DTCs may be set:
P0751, P0752, P0756, P0757, P0761, P0762.
Cause
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.
Instructions
If you encounter a vehicle with the above concern, follow published Service Information (SI) diagnosis procedures but be especially sensitive to stuck valves
that may be caused by small debris.
If debris is found, contact the engineer below.
If no debris is found, continue diagnosis referring to SI.
Contact Information
Engineer Name
Phone Number
Charles Combs
248-303-5686
Please include the following information if leaving a message:
–
Technician name
–
Dealer name and phone number
–
Complete VIN and repair order (R.O) number
1
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
8480508*
Engineering Information Transmission Diagnosis of Debris Found and Engineer Phone
Call
1.0 hr
*This is a unique Labor Operation for Bulletin use only. It will not be published in the Labor Time Guide.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may
occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that
your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
2