LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jeep
>>
2010
>>
Commander Limited, 4WD
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control Systems
>>
Front Control Module (FCM) - Electrical Diagnostics
>>
DTC Troubleshooting
>>
B1644-Rear Left Turn Control Circuit High
>>
Possible Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Causes
Possible Causes
(L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE
(L63) LEFT REAR TURN SIGNAL CONTROL CIRCUIT OPEN
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)