GM Service Manual Online
For 1990-2009 cars only

Object Number: 97685  Size: MF

DTC B2285 -- Battery #2 -- Fault -- DCM-Right

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the right Door Control Module (DCM).
  2. Measure the voltage from right Door Control Module (DCM) connector C3 terminal A to ground.

Is the voltage within specified range?

10.0-14.0V

Go to Step 2

Go to Step 3

2

Replace the right Door Control Module (DCM).

Is the repair completed?

Recheck the System Operation

3

  1. Disconnect the connector C200.
  2. Measure the voltage from the connector C200 terminal A to ground.

Is the voltage within specified range?

10.0-14.0V

Go to Step 4

Go to Step 5

4

Repair the open in CKT 2240, between the connector C200 terminal A and the right Door Control Module (DCM) connector C3 terminal A.

Is the repair complete?

Recheck the System Operation

5

  1. Disconnect the instrument panel electrical center connector C1.
  2. Measure the voltage between the instrument panel electrical center connector C1 terminal B11 and ground.

Is the voltage within the specified range?

Go to Step 6

Go to Step 7

6

Repair the open in CKT 2240, between the connector C200 terminal A and the instrument panel electrical center connector C1 terminal B11.

Is the repair complete?

Recheck the System Operation

7

Replace the instrument panel electrical center.

Is the repair completed?

Recheck the System Operation