Technical Service Bulletin #
2400110
Date: 100112
A/C Rear Defrost Button Is Hard To Operate
NUMBER: 2400110
GROUP: Heating & Air Conditioning
DATE: January 12, 2010
SUBJECT:
Rear Defroster Switch Engagement Effort
OVERVIEW:
This bulletin involves remove the ATC control head and insert two screws (p/n 68078941AA) into the back per the repair procedure.
MODELS:
2010 (LX) 300/300C/Charger
2010 (LE) 300C/300C Touring (International Markets)
2010 (WK) Grand Cherokee
2010 (XK) Commander
2010 (XH) Commander (International Markets)
NOTE:
The bulletin applied to vehicles equipped with Air Conditioning (Sales Code HAA or HAF) built before August XX, 2009 (MDH
XXXXXX).
SYMPTOM/CONDITION:
Customer may experience a rear defroster switch that has higher than desired engagement effort. This condition is caused by the ATC
housing having too much deflection when the button is pressed which does not close the switch properly. Extra push effort will close the
switch.
DIAGNOSIS:
If the above symptom/condition is experienced perform the Repair Procedure.
PARTS REQUIRED:2010 Jeep Truck Grand Cherokee 4WD V63.7L
Page 72
REPAIR PROCEDURE:
1. Remove the ATC Control head. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To
Group 24 Heating & Air Conditioning > Controls > Controls, A/C and Heater Removal procedures.
2. Install the two screws into the back of the ATC control head p/n 68078941AA (Fig. 1).
3. Install ATC Control head. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To Group 24
Heating & Air Conditioning > Controls > Controls, A/C and Heater Installation procedures.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.
2400110
Date: 100112
A/C Rear Defrost Button Is Hard To Operate
NUMBER: 2400110
GROUP: Heating & Air Conditioning
DATE: January 12, 2010
SUBJECT:
Rear Defroster Switch Engagement Effort
OVERVIEW:
This bulletin involves remove the ATC control head and insert two screws (p/n 68078941AA) into the back per the repair procedure.
MODELS:
2010 (LX) 300/300C/Charger
2010 (LE) 300C/300C Touring (International Markets)
2010 (WK) Grand Cherokee
2010 (XK) Commander
2010 (XH) Commander (International Markets)
NOTE:
The bulletin applied to vehicles equipped with Air Conditioning (Sales Code HAA or HAF) built before August XX, 2009 (MDH
XXXXXX).
SYMPTOM/CONDITION:
Customer may experience a rear defroster switch that has higher than desired engagement effort. This condition is caused by the ATC
housing having too much deflection when the button is pressed which does not close the switch properly. Extra push effort will close the
switch.
DIAGNOSIS:
If the above symptom/condition is experienced perform the Repair Procedure.
PARTS REQUIRED:2010 Jeep Truck Grand Cherokee 4WD V63.7L
Page 72
REPAIR PROCEDURE:
1. Remove the ATC Control head. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To
Group 24 Heating & Air Conditioning > Controls > Controls, A/C and Heater Removal procedures.
2. Install the two screws into the back of the ATC control head p/n 68078941AA (Fig. 1).
3. Install ATC Control head. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To Group 24
Heating & Air Conditioning > Controls > Controls, A/C and Heater Installation procedures.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.
