GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM)
Table 2: Electronic Brake Control Module (EBCM)
Table 3: HVAC Control Module (Instrument Panel Module)
Table 4: Powertrain Control Module (PCM)

Dash Integration Module (DIM)

Ignition ON, engine OFF.

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery Voltage

Data

Volts

12

Electronic Brake Control Module (EBCM)

Ignition ON, engine OFF, and steering wheel straight.

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

8 Digit GM Part Number

Controller Information 1

Numeric

Varies

ABS Active

DRP/ABS/TCS Data

Yes/No

No

ABS Failed

DRP/ABS/TCS Data

Yes/No

No

ABS Reference Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • VSES/CVRSS Data

km/h or mph

0

ABS Warning Indicator

DRP/ABS/TCS Data

On/Off

Off

Brake Temp Status

DRP/ABS/TCS Data

Normal/Over Temp

Normal

Calibration ID

Controller Information 1

Numeric

Varies

DE Base Part Number

Controller Information 2

Numeric

Varies

DE Build Sequence Number

Controller Information 1

Numeric

Varies

DE Calibration Part Number

Controller Information 2

Numeric

Varies

DE End Model Part Number

Controller Information 2

Numeric

Varies

DE ROM Part Number

Controller Information 2

Numeric

Varies

Delivered Torque PWM Duty Cycle

DRP/ABS/TCS Data

%

10

DRP Active

DRP/ABS/TCS Data

Yes/No

No

DRP Disabled

DRP/ABS/TCS Data

Yes/No

No

Dual Analog SWPS Input A

    • VSES Data
    • VSES/CVRSS Data

Volts

Varies

0-5

Dual Analog SWPS Input B

    • VSES Data
    • VSES/CVRSS Data

Volts

Varies

0-5

Extended Travel Brake Switch

DRP/ABS/TCS Data

Applied/Released

Released

Ignition Voltage

DRP/ABS/TCS Data

Volts

12

Julian Date Code

Controller Information 1

Numeric

Varies

Lateral Accelerometer Input

    • VSES Data
    • VSES/CVRSS Data

Volts

2.5

Lateral Accelerometer - Engineering Units

    • VSES Data
    • VSES/CVRSS Data

g

0

Left Front Normal Force

VSES/CVRSS Data

% High

80

LF Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

LF Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • VSES/CVRSS Data

km/h or mph

0

LR Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • VSES/CVRSS Data

km/h or mph

0

Manufacturing Shift Info.

Controller Information 1

Numeric

Varies

Manufacturing Site

Controller Information 1

Alpha

Varies

PROM ID

Controller Information 1

Numeric

Varies

Pump Motor Feedback Voltage

DRP/ABS/TCS Data

Volts

12

Pump Motor Relay Commanded State

DRP/ABS/TCS Data

On/Off

Off

Pump Motor Relay Feedback State

DRP/ABS/TCS Data

On/Off

Off

Red Brake Warning Indicator

DRP/ABS/TCS Data

On/Off

Off

Requested Torque PWM Duty Cycle

DRP/ABS/TCS Data

%

90

RF Rotor Temperature

DRP/ABS/TCS Data

°C/°F

24°C (75°F)

RF Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • VSES/CVRSS Data

km/h or mph

0

Right Front Normal Force

VSES/CVRSS Data

% High

80

Rough Road Parameter

DRP/ABS/TCS Data

g

0

RR Wheel Speed

    • DRP/ABS/TCS Data
    • VSES Data
    • VSES/CVRSS Data

km/h or mph

0

Solenoid Relay Commanded State

DRP/ABS/TCS Data

On/Off

On

Solenoid Relay Feedback State

DRP/ABS/TCS Data

On/Off

On

Steering Sensor Output to CVRSS

VSES/CVRSS Data

%

2

Steering Wheel Angle

    • VSES Data
    • VSES/CVRSS Data

°

0

Stop Lamp Switch

DRP/ABS/TCS Data

Applied/Released

Released

Switched System Battery Voltage

DRP/ABS/TCS Data

Volts

12

TCS Active

DRP/ABS/TCS Data

Yes/No

No

TCS Active Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

TCS Failed

DRP/ABS/TCS Data

Yes/No

No

TCS Warning Indicator/Message

DRP/ABS/TCS Data

On/Off

Off

Vehicle Yaw Rate - Engineering Units

    • VSES Data
    • VSES/CVRSS Data

°/sec

0

VSES Active

    • VSES Data
    • VSES/CVRSS Data

Yes/No

No

VSES Active Indicator/Message

    • VSES Data
    • VSES/CVRSS Data

On/Off

Off

VSES Failed

    • VSES Data
    • VSES/CVRSS Data

Yes/No

No

VSES Failed Indicator/Message

    • VSES Data
    • VSES/CVRSS Data

On/Off

Off

VSES Is Centered

    • VSES Data
    • VSES/CVRSS Data

Yes/No

No

Yaw Rate Sensor Input

    • VSES Data
    • VSES/CVRSS Data

Volts

2.5

HVAC Control Module (Instrument Panel Module)

Ignition ON, engine OFF.

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

TCS Switch

Non-HVAC Data

Off/On

Off

Powertrain Control Module (PCM)

Ignition ON, engine OFF.

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Traction Control Status

Engine Data 2

Active/Inactive

Inactive

Torque Delivered Signal

Engine Data 2

%

10

Torque Request Signal

Engine Data 2

%

90