"Dash - Customer Parameters"

TM 9-2320-312-24-2

Troubleshooting Section

"Theft Deterrent Password"

Table 117

Alternatives

Default

Manufacturer / Model

The "Theft Deterrent Password" is the password

that is required by the ECM before the feature of

GM 530/540

"YES"

"NO"

theft deterrent is enabled. After the theft deterrent

GMT-560

"YES"

"NO"

is enabled, the "Theft Deterrent Password" is the

password that is required to restart the engine. All of

Other

"YES"

"NO"

the characters must be uppercase. Four characters

are available for the password. If the password

"Dash - Customer Parameters"

is lost, a service tool and a factory password are

required in order to start the engine.

Four parameters can be accessed when this

parameter is programmed to "YES". The Cat ID is

Table 120

used to change the "Dash - Customer" parameters.

Alternative

Default

The following four parameters can be accessed:

Four Characters

"SoftCruise Control"

0000

A through Z

0 through 9

"Fast Idle RPM #1"

"Quick Stop Rate"

"Fast Idle RPM #2"

This parameter determines the rate of vehicle

"Low Idle Engine RPM"

speed change that is used by the ECM to record a

Quick Stop Event Code and a quick stop snapshot.

Each parameter that is listed has a "YES/NO" option

Programming this parameter to 0 will disable this

with "NO" as the default. The Cat ID must have the

feature and no quick stop events will be logged.

EEPROM chip that is capable of communicating

Each quick stop snapshot contains 60 frames of

with the 3126B HEUI engine software. Version 1.3

information. Frame 45 is the quick stop event. The

and later versions meet this requirement.

quick stop snapshot also contains 44 frames before

the quick stop event and 15 frames after the quick

Table 118

stop event. Each frame is separated by 1.0 second.

Alternative

Default

Table 121

"YES"

"NO"

ECM Snapshot Frame Data

"Theft Deterrent System Control"

"Engine rpm"

"Vehicle Speed"

"Throttle Position"

"Cruise Status"

"Clutch Switch"

"Brake Switch"

When this parameter is used with a "Theft Deterrent

Password", this parameter prevents the engine from

starting unless the password has been entered via

The most recent quick stop snapshot is stored in

the dash display of the CAT ID. Before the operator

the ECM memory. When a quick stop event occurs

can use the feature of theft deterrent of the CAT

the ECM replaces the old quick stop snapshot with

ID, the system must be turned on. In order to turn

the new quick stop snapshot. The ECM also logs a

on the theft deterrent, a service tool must be used

diagnostic event code for each quick stop event.

to program the parameter for the theft deterrent to

The ECM stores a maximum of 255 occurrences.

YES. The operator must first enter the password

before the engine is shut off. This will enable the

Table 122

system. Enabling the system prevents the engine

Alternative

Default

from starting without re-entering the password

on the next attempted start. If this parameter is

0 kilometers per hour

programmed to the "Auto-Enable" option, the

per second ( 0 miles per

0 kilometers per hour

system will automatically be armed when the

hour per second) to 205

second (0 miles per

kilometers per hour per

keyswitch is turned off.

hour per second)

second (128 miles per

hour per second)

Note: The "Auto-Enable" feature requires a JUL99

or more recent Personality Module with a Cat ID

(version number 2.1 or higher).

Table 119

Alternative

Default

"YES", "Auto-Enable"

"NO"