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Home >> Jeep >> 2010 >> Commander Limited, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> B1633-Left Hi Beam Control Circuit Low >> Possible Causes
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Possible Causes

Possible Causes 
(L33) LEFT HIGHBEAM OUTPUT CIRCUIT SHORTED TO GROUND
FRONT CONTROL MODULE (FCM)