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Section 54 (3.0L - DTCS U120C-00 To U142E-00)
Section 54 (3.0L - DTCS U120C-00 To U142E-00)
WARNING:
This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
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DTC Troubleshooting
U120C-00-Lost Brake Booster Signal
When Monitored
Set Condition
Default Action
Possible Causes
Diagnostic Test
U142E-00-Implausible Data Received From Parallel Parking Switch