B3542

DTC B3542

DIAGNOSTIC INSTRUCTIONS
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC DESCRIPTOR

DTC B3542
Left Front/Driver Window Obstruction Sensor Control Circuit

CIRCUIT/SYSTEM DESCRIPTION
The driver door module (DDM) and passenger door module (PDM) check for hall sensor pulses of their respective window motors at least once every 50 milliseconds. When the DDM or PDM detects no hall sensor pulses in the window motor, a DTC is set. For more detailed information concerning power window operation refer to Power Windows Description and Operation.

CONDITIONS FOR RUNNING THE DTC
Battery voltage must be between 9-16 volts.

CONDITIONS FOR SETTING THE DTC
- The DDM or PDM detects no hall sensor pulses from the power window motor.
- A RAM memory check error has been detected.
- A window lifter motor error has been detected.
- Under/overrun of position counter detected.

ACTIONS TAKEN WHEN THE DTC SETS
No window express modes are possible.

CONDITIONS FOR CLEARING THE DTC
- The condition responsible for setting the DTC no longer exists.
- You issue a scan tool CLEAR DTCs command.

DIAGNOSTIC AIDS
The following conditions may cause an intermittent malfunction:
- An intermittent sticking or binding window causing excessive current draw resulting in a critical temperature fault.
- A window motor is shorted internally.

CIRCUIT/SYSTEM TESTING
Ignition ON, install a scan tool, clear all DTCs and operate the windows within the Conditions for Running the DTC.
- If DTC B3542 resets as current, replace the appropriate door control module.

REPAIR INSTRUCTIONS
Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Control Module References for DDM or PDM replacement, setup, and programming. Programming and Relearning