2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

B2577-PASSENGER WINDOW NOT CALIBRATED/LOST CALIBRATION - PDM

For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
MOTOR NOT CALIBRATED
 
EXPRESS WINDOW SWITCH
 
PASSENGER DOOR MODULE (PDM)
 


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


No

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


Yes

3. EXPRESS SWITCH


Is the express feature inoperative from both front door switches?

Yes


No