LEMON Manuals
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2019
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Grand Cherokee Laredo, AWD, Automatic T/Case Control
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Different car
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Section 378 ((Security Gateway Module (SGW) Electrical Diagnostics))
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DTC Troubleshooting
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B22A9-49-Ecu Internal Performance-Internal Electronic Failure
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WARNING:
This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
The Security Gateway Module (SGW) detects an internal hardware failure.