B2577

B2577-PASSENGER WINDOW NOT CALIBRATED/LOST CALIBRATION - PDM

For a complete wiring diagram consult Diagrams/Electrical.


- When Monitored:
Whenever the window motor is operating.

- Set Condition:
When the Door Module has lost the parameters for window travel, this code will set.







Theory of Operation


This code will always set anytime the battery or the door module connector is disconnected.


Diagnostic Test


1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC's.
Operate the Passenger Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display B2577-PASSENGER WINDOW NOT CALIBRATED/LOST CALIBRATION ?

Yes


- Go To 2


No


- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test




2. WINDOW MOTOR NOT CALIBRATED
Run the window to the full up position and continue to hold the switch for an additional 2 seconds.
Run the window to the full down position and continue to hold the switch for an additional 2 seconds.
Again run the window to the full up position and continue to hold the switch for an additional 2 seconds.
Lower the window all the way down then press and release the switch to the express up position.
Did the window move to the full up position?

No


- Go To 3


Yes


- Test complete.




3. EXPRESS SWITCH
Is the express feature inoperative from both front door switches?

Yes


- Replace the Passenger Door Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test


No


- Replace the defective Express Window Switch assembly.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test