SPS Programming Concerns - kw cluster DDM communication ECM PCM EBTCM TCCM TCM IPC L18 L30 L31 L35 L36 L37 L52 L61 L67 LA1 LD8 LF6 LG8 LK5 LL8 LM4 LM7 LN2 LQ4 LR4 LS1 LS6 LU3 LGM module program PDM #PI02057A - (May 6, 2004)
SPS Programming Concerns .
When servicing the vehicle with the VIN you entered, the following diagnosis
might be helpful if the vehicle exhibits the described symptoms.
Condition/Concern:
During SPS programming, the module that is being programmed is not listed in
TIS.
Recommendation/Instructions:
There have been changes to TIS when programming modules. If a module needs
to be programmed/reprogrammed, (new module or original module) and the module is not
listed in TIS, it should be suspected a loss of communication with that module has
occurred. Below are some steps to aid in diagnostics. It will help to confirm if communication
is present or not with any module.
Non/CANdi Module Vehicle
- Confirm the module that needs programming is a SPS programmable module
performed through TIS.
- Make sure the battery voltage is near or at 12.5 volts.
- Use the Tech 2, confirm the module(s) in question are active on the class
2 message monitor.
- Use the Tech 2 and attempt to get data from the module(s) that was intended
for programming.
- If no communication is present, use the appropriate flow chart for "Scan
Tool Does Not Communicate with" for the suspected module.
- If communication is established and the module is active on the class
2 message monitor, contact Techline for programming assistance at 1-800-828-6860.
If any error codes are listed in TIS or on the Tech 2, make sure they are documented
in the event the Techline requests these codes.
.
CANdi Module Vehicle
- Confirm the module that needs programming is a SPS programmable module
performed through TIS.
- Make sure battery voltage is near or at 12.5 volts.
- Use the Tech 2, select "Vehicle Control Systems", then "Computer/Integrating
Systems", then "Data Link Test", then "Class 2 Message Monitor". Select the class
2 message monitor and see if the module(s) intended for programming is active.
- Regardless of the outcome of step 3, back out of the class 2 message monitor
and return to the service manual sections. Select a section on the Tech 2 that the
module in question may have data displayed. Enter this area and attempt to get data
from the module that is in need of programming.
- If no communication is present, use the appropriate flow chart for "Scan
Tool Does Not Communicate with" for the suspected module.
- If access to the module is present and the module is active on the class
2 message monitor, contact Techline for programming assistance at 1-800-828-6860.
If any error codes are listed in TIS2000 or on the Tech 2, make sure they are documented
in the event that Techline requests these codes.
.
Please follow this diagnosis process thoroughly and complete each step. If the
condition exhibited is resolved without completing every step, the remaining steps
do not need to be performed. If these steps do not resolve the condition, please contact
GM TAC for further diagnostic assistance. This diagnostic approach was developed for
the vehicle with the VIN you entered and should not be automatically be used for other
vehicles with similar symptoms.
Models:
(All 1996 -2004 Passenger Cars) and (All 1996 - 2004 Light Duty Trucks And
Sport Utility Vehicles. )
.
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.
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