PIT5236K

Bulletin No.: PIT5236K
Published date: 09/28/2017
Preliminary Information
PIT5236K Diagnostic Tip: OnStar Vehicles with B101D and Symptom Codes
Product Investigation Review Required
Models
Brand:
All
Model:
All
Model Years:
2006 - 2018
VIN:
from
All*See Note
Engine:
to
All*See Note
All
Transmissions:
All
2011 - 2018 All GM Passenger Car and Light Duty Trucks with RPO UE1
(Except 2011-2013 Chevrolet Corvette, 2011-2012 Chevrolet Colorado, 2011-2012 GMC Canyon)
2006-2015 GM Passenger Cars and Trucks with Canada OnStar Upgrade (per latest version of bulletin 15-08-44-001) with RPO UE1
Supersession Statement:
This PI was superseded to add 2018 model year. Please discard PIT5236J.
Condition / Concern
Some customers may comment of various concerns, such as OnStar is inoperative, Navigation/GPS/Compass issues, and/or that the
red LED is illuminated. Upon inspection, DTC B101D will be stored in the OnStar module with a related symptom code(s).
Recommendations / Instructions
Important Note: If campaigns 14395 or 15086 are open in Global Warranty Global Warranty Management system, please complete the
campaign and evaluate OnStar operation before continuing with this PI.
Record the DTC and symptom code, OnStar LED status, along with results from an OnStar button press and OnStar hands-free calling
for inbound and outbound calls.
If DTC B101D is set as CURRENT in the VCIM with any of the symptom codes listed below (except B101D 37), the OnStar module will
need to be replaced. (See latest version of bulletin 03-08-46-004)
If DTC B101D 37 is stored as CURRENT or HISTORY, please refer to the latest version of PIC5492.
If DTC B101D 39, B101D 3C, or B101D F0 are stored in HISTORY, contact GM TAC with the customer concern, this PI number, and
information from the latest version of bulletin 03-08-46-004. DO NOT clear the DTCs at any point as the information in the module may
be needed for root cause analysis.
If DTC B101D is set with a symptom code that is not listed below, or there is no symptom code at all, record a snapshot, session log,
or picture of the DTC displayed on the screen and contact GM TAC with the customer concern, this PI number, and information from
the latest version of bulletin 03-08-46-004. DO NOT clear the DTCs at any point as the information in the module may be needed for
root cause analysis.
Symptom Codes Currently Supported by OnStar Module
DTC and Symptom Code
Description
B101D 00
Electronic Control Unit Hardware Malfunction
(Only Supported on 2011 Chevrolet HHR and 2011 - 2012 Malibu)
B101D 31
Electronic Control Unit Hardware Internal Checksum Error
B101D 32
Electronic Control Unit Hardware General Memory Malfunction
B101D 37
Electronic Control Unit Hardware Software Malfunction
(Only Sets in History)
B101D 38
Electronic Control Unit Hardware Supervision Software Malfunction
B101D 39
Electronic Control Unit Hardware Internal Communication Malfunction (Bluetooth with RPO UPF)
B101D 3C
Electronic Control Unit Hardware Internal Communication Malfunction (GPS)
B101D F0
Electronic Control Unit Hardware Internal Communication Malfunction (Phone)
B101D F2
Internal Communication Error WIFI
B101D F3
Internal Communication Error SIM
Parts Information
Refer to the Electronic Parts Catalog and/or Electronic Service Center Website for the appropriate OnStar Module part number based on
the VIN.
Warranty Information
For all other vehicles/concerns repaired under warranty, use:
Labor Operation
Description
Labor Time
3422790
Communication Interface Module Replacement
Use Published Labor
Operation Time
Additional SI Keywords
3C 31 32 38 F0
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