Truck Manufacture Parameters

TM 9-2320-312-24-2

Troubleshooting Section

Note: Programming the "Quick Stop Rate" too low

Table 124

will cause an excessive number of Quick Stop Event

Alternative

Default

Codes. A vehicle without a load or a trailer will be

"GMT-560"

"GM530/540"

able to stop much more quickly than a vehicle with

a heavy load. If too many Quick Stop Event Codes

are being logged, the "Quick Stop Rate" should be

increased. This will improve the detection of the

i01727228

exceptions when the exceptions occur.

Timer Parameters

SMCS Code: 1901

i01726787

Truck Manufacture Parameters

"Idle Shutdown Time"

SMCS Code: 1901

The "Idle Shutdown Time" is the time (minutes)

of engine idle before shutting down. The engine

"Truck Manufacturer"

will only shut down if the ECM senses low engine

load and no vehicle speed. The "Idle Shutdown

Time" will not begin counting if the engine is in Cold

OCT01 and newer Personality Modules.

Mode. If this parameter is programmed to zero, this

feature is disabled and the engine will idle until the

This parameter is used to configure the correct set

keyswitch for the ignition is in the OFF position.

of options and/or ranges for the default parameter

for the application. The 3126B truck engine with

Note: This feature does not shut down the vehicle's

serial number prefix 7AS is equipped with a Basic

power. The ECM and the vehicle remain powered.

ECM or the 3126B truck engine is equipped with a

Full Feature ECM. The Personality Module software

Table 125

will depend on the vehicle application. The option

for the "Truck Manufacturer" parameter is set at the

Minimum

Maximum

Default

factory to provide the same functionality with one

3 minutes

1440 minutes

0 minutes

ECM and one set of Personality Module software.

If an ECM replacement is required, the "Truck

Manufacturer" parameter must be programmed

"Allow Idle Shutdown Override"

before programming other customer parameters in

order to configure the proper set of defaults/ranges.

This parameter determines if the clutch or the

When a Basic ECM is replaced in a General

service brake can be used to override the idle

Motors chassis, program the "Truck Manufacturer"

shutdown timer during the driver alert. The driver

parameter to the GM option. When a Full Feature

alert is the last 90 seconds when the check engine

ECM is replaced on a engine in any other chassis,

lamp begins flashing. This parameter requires the

program the "Truck Manufacturer" parameters to

"Idle Shutdown Time" to be programmed to a 3

"Other".

or more minutes for the parameter to be enabled.

When the "Idle Shutdown Time" is programmed to

Table 123

0, the parameter is turned off.

Alternative

Default

Table 126

"Not Programmed"

"GM", "Other"

Alternative

Default

"YES"

"NO"

"Truck Model Type"

"A/C Switch Fan-On Time"

OCT01 and newer Personality Modules.

This parameter is used to configure the correct set

of options and/or ranges for the default parameter

for the application. The option for the "Truck

Model Type" parameter is set at the factory. If an

ECM replacement is required, the "Truck Model

Type" parameter must be programmed before

programming other customer parameters in order to

configure the proper set of defaults/ranges. When

the software is flashed into the Personality Module,

this parameter will default to "GM 530/540".