Circuit Description
The switch that failed and generated this diagnostic trouble code (DTC) is part of the driver door switch assembly (DDSA). The DDSA contains a microprocessor which takes the signal generated by this switch and assigns a digital message to it. The DDSA then sends this message over the power door serial data circuit to the driver door module (DDM).
DTC Descriptors
This diagnostic procedure supports the following DTCs:
| • | DTC B3377 LF Window Up Switch Circuit Low |
| • | DTC B3382 LF Window Down Switch Circuit Low |
| • | DTC B3387 RF Window Up Switch Circuit Low |
| • | DTC B3392 RF Window Down Switch Circuit Low |
| • | DTC B3397 LR Window Up Switch Circuit Low |
| • | DTC B3452 LR Window Down Switch Circuit Low |
| • | DTC B3457 RR Window Up Switch Circuit Low |
| • | DTC B3462 RR Window Down Switch Circuit Low |
| • | DTC B3467 LF Window Express Down Circuit Low |
| • | DTC B3472 RF Window Express Up/Down Circuit Low |
Conditions for Running the DTC
The DDM must be powered and cannot have DTCs B1327 Battery Low Voltage or B1328 Battery High Voltage set for this DTC to set.
Conditions for Setting the DTC
If the DDM receives the message that a DDSA window switch is closed for more than 15 continuous seconds the DDM sets this DTC.
Action Taken When the DTC Sets
| • | If the UP switch is closed for more than 15 seconds, both UP and DOWN movement is prohibited from the DDSA. |
| • | If the DOWN switch is closed for more than 15 seconds, DOWN movement is prohibited while UP movement is permitted from the DDSA. |
| • | If an express switch DTC is set, express function is disabled but regular window functions are not affected. |
| • | All windows will operate normally from their associated passenger door window switch. |
Conditions for Clearing the DTC
The DDM clears this current DTC when the switch signal is no longer received. The DTC is stored as a history DTC. The history DTC will clear either after 50 OFF/ON cycles of the ignition switch without a repeated failure, or in response to a scan tool command.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
-
This step checks the module input state using the normal input status.
-
This step checks to see that the input is seen by the module.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Door Control Module Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
Does the scan tool display Idle? | Go to Step 3 | Go to Step 4 | |
Does the door window switch parameter change state? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 4 | |
4 | Inspect for poor connections at the driver door window switch harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 6 | Go to Step 5 |
5 | Replace the driver door switch assembly. Refer to Front Door Switch Replacement . Did you complete the replacement? | Go to Step 6 | -- |
6 |
Does the DTC reset? | Go to Step 2 | System OK |
