Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2023
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Gladiator Freedom, Part Time T/Case Control
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Repair and Diagnosis
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Engine Performance
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System
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3.6L (GPEC 2A) - DTCS U0428 To U11C2
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DTC Troubleshooting
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U1133-Lost Stop/Start Switch 1 Message
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Set Condition
Set Condition
The Powertrain Control Module (PCM) either doesn't receive a Stop/Start bus message or receives an implausible bus message from the Body Control Module (BCM).