Some Jeep Cherokee owners report experiencing issues with both high beams not working even when the bulbs are functional. These problems may stem from an underlying electrical issue within the vehicle's lighting system. In cases where the high beams do not receive power despite replacing the headlamp and multi-function switches, owners may face deeper electrical complications that require attention. Additionally, some owners have encountered faults with the Auto High Beam Module (AHBM), which can disrupt high beam functionality. For models equipped with projectors, a malfunction in the shutter or motor controlling the high beams might also be to blame. Furthermore, if no error codes are present, it may be necessary to monitor the Controller Area Network (CAN) bus to ensure proper communication between the radio and the high beam module. Addressing these components promptly is essential to resolve the issue effectively.
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