PIE0462

Subject:
Engineering Information — Trailer Electrical Not Working as Intended and/or Trailer Message
Displayed
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 Service Bulletin 04-00-89-053E for more details on the use of
Engineering Information bulletins.
Brand:
Chevrolet
Model:
Silverado
Model Year:
VIN:
from
to
2017
2019
from
Engine:
Transmission:
All
All
to
Involved Region or Country
North America
Additional Options (RPOs)
Equipped with Enhanced Towing Package (RPO NHT) and/or H.D. Trailer Provisions (RPO Z82)
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 one or more of the following:
•
Trailer lights/brakes/electrical not working as intended.
•
Any trailer message displayed.
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, verify that one of the six trailer fuses are blown.
Prior to any repair attempts contact the engineer listed below.
Contact Information
Engineer Name
Phone Number
David Kappaz
(586) 907-3416
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.
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Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation
Description
Labor Time
5480538*
Engineering Information — Trailer Electrical Not Working as Intended
and/or Trailer Message Displayed
0.3 hr
* This is a unique labor operation for bulletin use only.
Version
1
Modified
Released April 25, 2018
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