GM Service Manual Online
For 1990-2009 cars only
Connector 1: Power Steering Control Module (PSCM) C1
Connector 2: Power Steering Control Module (PSCM) C2
Connector 3: Power Steering Control Module (PSCM) C3

Power Steering Control Module (PSCM) C1


Object Number: 823278  Size: CH

Connector Part Information

  • OEM: 7123-4123-30
  • Service: See Catalog
  • Description: 2-Way F (BU)

Power Steering Control Module (PSCM) C1

Pin

Wire Color

Circuit No.

Function

(+)

RD

8040

Battery Positive Voltage

(-)

BK

350

Ground

Power Steering Control Module (PSCM) C2


Object Number: 872598  Size: CH

Connector Part Information

  • OEM: 776195-6
  • Service: See Catalog
  • Description: 6-Way F (GY)

Power Steering Control Module (PSCM) C2

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

PU

1807

Class 2 Serial Data

5

PU

1807

Class 2 Serial Data

6

PK

739

Ignition 1 Voltage

Power Steering Control Module (PSCM) C3


Object Number: 823278  Size: CH

Connector Part Information

  • OEM: 7123-4123-30
  • Service: See Catalog
  • Description: 2-Way F (BK)

Power Steering Control Module (PSCM) C3

Pin

Wire Color

Circuit No.

Function

(+)

RD

5

Left Assist Motor Control

(-)

BK

5

Right Assist Motor Control