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Jeep
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2023
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Wagoneer Carbide, RWD
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 27 (5.7L - DTCS U1199 To U1817)
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DTC Troubleshooting
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U120C-Lost Brake Booster Signal
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When Monitored
When Monitored
WARNING:
This page is about a different variant/trim than selected.
This diagnostic runs continuously with the Ignition on.