PIP5697D

Service Bulletin Details

Public Details for: PIP5697D

This preliminary information communicates a possible bcm and/or circuit 5985concern ifdtc P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present.


- 2019 - 2018 - 2017 -

Bulletin No.: PIP5697D
Published date: N/A
Preliminary Information
PIP5697D DTC P0747 Setting At Engine Shut Down When The
Transmission Is In Park/Neutral With No Hydraulic/Mechanical
Transmission Concern.
Models
Brand:
Model:
Model Years:
VIN:
from
to
Engine:
Transmissions:
Buick
Enclave
2018 - 2019
ALL
ALL
ALL
M3W
Buick
Envision
2018 - 2019
ALL
ALL
ALL
M3T
Buick
LaCrosse
2018 - 2019
ALL
ALL
ALL
M3G
Buick
Regal
2018 - 2019
ALL
ALL
ALL
M3D M3T
Cadillac
XT4
2019
ALL
ALL
ALL
M3H
Chevrolet
Blazer
2019
ALL
ALL
ALL
M3D M3T M3V
Chevrolet
Cruze
2017 - 2019
ALL
ALL
ALL
M3D
Chevrolet
Equinox
2018 - 2019
ALL
ALL
ALL
M3D
Chevrolet
Malibu
2017 - 2019
ALL
ALL
ALL
M3E
Chevrolet
Traverse
2018 - 2019
ALL
ALL
ALL
M3V
GMC
Terrain
2018 - 2019
ALL
ALL
ALL
M3H M3U
Involved Region or Country North America and NA Exports.
Condition
DTC P0747 may set in the TCM during engine shut-down when the transmission is
in Park/Neutral without any hydraulic/mechanical concerns with the transmission.
This DTC will be current at time of engine start-up and DTC will transition to History
only after 6-7 upshift.
Cause
The concern may be that the BCM is not continuing to supply ignition
voltage (within 4.0 volts of B+) to the TCM/ECM after engine running shut down to
allow the modules to perform the power-down self test. If ignition voltage (within
4.0 volts of B+) is not present from the BCM connector X4, terminal 22, for a
minimum of 15 seconds after the ignition is cycled o , the TCM/ECM modules will
not complete the power down self test, and then during the next engine cranking
(start-up) will see data from wherever the self test stopped, typically will see engine
RPMs during cranking, and may set DTC P0747 in the TCM.
Correction:
With the Key On Engine OFF, disconnect the Keyless Entry Control Module (KECM) and verify ignition voltage
is within 4.0 volts of B+ at the BCM connector X4, terminal 22.
Inspect the TCM and ECM connector for possible terminal connection concern, and/or for possible open in circuit
5985 to the TCM and ECM.
If no fault is found with circuit 5985, and/or no fault is found for a terminal connection concern at the
BCM/ECM/TCM connectors, then replace and re-program the BCM.
** Note ** B+ voltage minus 4 volts variation. Example : if battery voltage is 12 volts then the circuit should
never be below 8 volts.
* This P/I will be updated or advanced to a TSB, if needed.
Version History
Version
Modi ed
5
01/08/2020 - Created on.
03/27/2020 - Updated to add the 2020 Encore GX.
03/30/2020 - Updated to add the 2021 Trailblazer.
06/16/2020 - Revised to removed model years, and to improve diagnostic
direction.
06/26/2020 - Revised to remove the Encore and to add note for clari cation
of minimum voltage reading.
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