GM Service Manual Online
For 1990-2009 cars only

Refer to

Cell 120: Front Power Window Components


Object Number: 324437  Size: FS
Power Door Systems Components
Power Windows Circuit Description
Cell 120: Rear Power Window Components
Cell 120: Power Window Modules
Cell 117: Steering Wheel Control Switch, Heater and A/C Control, Driver Information Switch, Front Door Switch Backlighting
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
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Circuit Description

The simple bus interface, CKT 217 (LT BLU), provides a communications path from both the passenger door module (PDM) and rear door module (RDM) and the driver door module (DDM). The DDM contains the following two types of software:

    • Switch message decoding software
    • Simple bus interface diagnostic software

The software enables the DDM to monitor the state of the passenger door power window switch.

Conditions for Setting the DTC

DTC B2202 sets any time one of the power window switches is continuously closed in either the UP or DOWN position for a period of greater than 15 seconds.

DTCs B1982 (battery Voltage High) and B1983 (Battery Voltage Low) must not be current or the diagnostic will not run.

Action Taken When the DTC Sets

The switch command will be ignored until it again changes state or the ignition cycles from OFF to RUN.

Conditions for Clearing the MIL/DTC

    • This DTC will set from current to history when the window up input cycles off or when the power mode changes from OFF to RUN.
    • The history DTC will clear after 50 ignition cycles.
    • Use a scan tool in order to clear a history DTC.

Diagnostic Aids

    • A history DTC is evidence of an intermittent condition.
    • If DTC B2202 is current, cycle the ignition switch from OFF to RUN. If this DTC is still current, perform the following diagnostic procedure.

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. Perform the Power Door Diagnostic System Check prior to continuing the diagnosis of this DTC.

  2. This step tests for other current DTCs.

  3. This step inspects the RH front door lock actuator.

  4. This step tests CKT 1184 for a short to ground.

B2202 RF Window Switch Stuck in Up position

Step

Action

Value(s)

Yes

No

1

Was the Power Door Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

Inspect the scan tool for the following DTCs:

    • B2202
    • B2204

Are both of the DTCs stored current?

--

Go to Step 5

Go to Step 3

3

Is the RH front door lock actuator stuck in the open position or in the closed position?

--

Go to Step 6

Go to Step 4

4

Test CKT 1184 (DK GRN) for a short to ground.

Did you find a short to ground?

--

Go to Step 7

Go to Step 6

5

Replace the PDM. Refer to Front Door Module Replacement

Is the repair complete?

--

Go to Step 8

--

6

Replace the RH front power window switch. Refer to Front Side Door Window Switch Replacement

Is the repair complete?

--

Go to Step 8

--

7

Repair the short to ground in CKT 1184 (DK GRN). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 8

--

8

  1. Turn OFF the ignition switch.
  2. Reconnect or install any connectors or components that were disconnected or removed.
  3. Turn ON the ignition switch.
  4. Clear any DTCs.

Are all the DTCs cleared?

--

Go to Diagnostic System Check - Power Door Systems

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